Home / 149,937.16-206,915.80-89,496.04

Finding the Fourth Proportional to 149,937.16, 206,915.80 and 89,496.04

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Solution

The fourth proportional to 149,937.16, 206,915.80 and 89,496.04 is: 123,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,937.16 : 206,915.80 = 89,496.04 : x
  2. Step 2: Convert to fraction form
    149,937.16/206,915.80 = 89,496.04/x
  3. Step 3: Cross multiply
    149,937.16x = 206,915.80 × 89,496.04
  4. Step 4: Simplify right side
    149,937.16x = 18,518,144,713.43
  5. Step 5: Solve for x
    x = 18,518,144,713.43/149,937.16
  6. Step 6: Final answer
    x = 123,506.04

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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.