Home / 454,348.46-681,529.80-134,532.78

Finding the Fourth Proportional to 454,348.46, 681,529.80 and 134,532.78

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Solution

The fourth proportional to 454,348.46, 681,529.80 and 134,532.78 is: 201,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,348.46 : 681,529.80 = 134,532.78 : x
  2. Step 2: Convert to fraction form
    454,348.46/681,529.80 = 134,532.78/x
  3. Step 3: Cross multiply
    454,348.46x = 681,529.80 × 134,532.78
  4. Step 4: Simplify right side
    454,348.46x = 91,688,098,646.84
  5. Step 5: Solve for x
    x = 91,688,098,646.84/454,348.46
  6. Step 6: Final answer
    x = 201,801.28

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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.