Home / 141,614.79-195,428.40-77,084.28

Finding the Fourth Proportional to 141,614.79, 195,428.40 and 77,084.28

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Solution

The fourth proportional to 141,614.79, 195,428.40 and 77,084.28 is: 106,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,614.79 : 195,428.40 = 77,084.28 : x
  2. Step 2: Convert to fraction form
    141,614.79/195,428.40 = 77,084.28/x
  3. Step 3: Cross multiply
    141,614.79x = 195,428.40 × 77,084.28
  4. Step 4: Simplify right side
    141,614.79x = 15,064,457,505.55
  5. Step 5: Solve for x
    x = 15,064,457,505.55/141,614.79
  6. Step 6: Final answer
    x = 106,376.30

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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.