Home / 434,584.70-651,877.05-154,130.30

Finding the Fourth Proportional to 434,584.70, 651,877.05 and 154,130.30

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Solution

The fourth proportional to 434,584.70, 651,877.05 and 154,130.30 is: 231,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,584.70 : 651,877.05 = 154,130.30 : x
  2. Step 2: Convert to fraction form
    434,584.70/651,877.05 = 154,130.30/x
  3. Step 3: Cross multiply
    434,584.70x = 651,877.05 × 154,130.30
  4. Step 4: Simplify right side
    434,584.70x = 100,474,005,279.62
  5. Step 5: Solve for x
    x = 100,474,005,279.62/434,584.70
  6. Step 6: Final answer
    x = 231,195.45

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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.