Home / 124,790.27-187,232.56-74,905.13

Finding the Fourth Proportional to 124,790.27, 187,232.56 and 74,905.13

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Solution

The fourth proportional to 124,790.27, 187,232.56 and 74,905.13 is: 112,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,790.27 : 187,232.56 = 74,905.13 : x
  2. Step 2: Convert to fraction form
    124,790.27/187,232.56 = 74,905.13/x
  3. Step 3: Cross multiply
    124,790.27x = 187,232.56 × 74,905.13
  4. Step 4: Simplify right side
    124,790.27x = 14,024,679,527.85
  5. Step 5: Solve for x
    x = 14,024,679,527.85/124,790.27
  6. Step 6: Final answer
    x = 112,386.01

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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.