Home / 113,192.17-169,788.07-30,086.17

Finding the Fourth Proportional to 113,192.17, 169,788.07 and 30,086.17

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Solution

The fourth proportional to 113,192.17, 169,788.07 and 30,086.17 is: 45,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,192.17 : 169,788.07 = 30,086.17 : x
  2. Step 2: Convert to fraction form
    113,192.17/169,788.07 = 30,086.17/x
  3. Step 3: Cross multiply
    113,192.17x = 169,788.07 × 30,086.17
  4. Step 4: Simplify right side
    113,192.17x = 5,108,272,737.99
  5. Step 5: Solve for x
    x = 5,108,272,737.99/113,192.17
  6. Step 6: Final answer
    x = 45,129.21

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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.