Home / 279,328.96-385,466.24-152,001.60

Finding the Fourth Proportional to 279,328.96, 385,466.24 and 152,001.60

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Solution

The fourth proportional to 279,328.96, 385,466.24 and 152,001.60 is: 209,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,328.96 : 385,466.24 = 152,001.60 : x
  2. Step 2: Convert to fraction form
    279,328.96/385,466.24 = 152,001.60/x
  3. Step 3: Cross multiply
    279,328.96x = 385,466.24 × 152,001.60
  4. Step 4: Simplify right side
    279,328.96x = 58,591,485,225.98
  5. Step 5: Solve for x
    x = 58,591,485,225.98/279,328.96
  6. Step 6: Final answer
    x = 209,758.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.