Home / 188,526.13-260,170.98-102,490.90

Finding the Fourth Proportional to 188,526.13, 260,170.98 and 102,490.90

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Solution

The fourth proportional to 188,526.13, 260,170.98 and 102,490.90 is: 141,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,526.13 : 260,170.98 = 102,490.90 : x
  2. Step 2: Convert to fraction form
    188,526.13/260,170.98 = 102,490.90/x
  3. Step 3: Cross multiply
    188,526.13x = 260,170.98 × 102,490.90
  4. Step 4: Simplify right side
    188,526.13x = 26,665,156,593.23
  5. Step 5: Solve for x
    x = 26,665,156,593.23/188,526.13
  6. Step 6: Final answer
    x = 141,440.11

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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.