Home / 187,457.25-258,691.01-102,574.32

Finding the Fourth Proportional to 187,457.25, 258,691.01 and 102,574.32

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Solution

The fourth proportional to 187,457.25, 258,691.01 and 102,574.32 is: 141,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,457.25 : 258,691.01 = 102,574.32 : x
  2. Step 2: Convert to fraction form
    187,457.25/258,691.01 = 102,574.32/x
  3. Step 3: Cross multiply
    187,457.25x = 258,691.01 × 102,574.32
  4. Step 4: Simplify right side
    187,457.25x = 26,535,053,927.99
  5. Step 5: Solve for x
    x = 26,535,053,927.99/187,457.25
  6. Step 6: Final answer
    x = 141,552.56

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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.