Home / 447,618.30-671,427.45-152,130.30

Finding the Fourth Proportional to 447,618.30, 671,427.45 and 152,130.30

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Solution

The fourth proportional to 447,618.30, 671,427.45 and 152,130.30 is: 228,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,618.30 : 671,427.45 = 152,130.30 : x
  2. Step 2: Convert to fraction form
    447,618.30/671,427.45 = 152,130.30/x
  3. Step 3: Cross multiply
    447,618.30x = 671,427.45 × 152,130.30
  4. Step 4: Simplify right side
    447,618.30x = 102,144,459,396.74
  5. Step 5: Solve for x
    x = 102,144,459,396.74/447,618.30
  6. Step 6: Final answer
    x = 228,195.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.