Home / 187,429.80-281,144.70-124,444.20

Finding the Fourth Proportional to 187,429.80, 281,144.70 and 124,444.20

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Solution

The fourth proportional to 187,429.80, 281,144.70 and 124,444.20 is: 186,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,429.80 : 281,144.70 = 124,444.20 : x
  2. Step 2: Convert to fraction form
    187,429.80/281,144.70 = 124,444.20/x
  3. Step 3: Cross multiply
    187,429.80x = 281,144.70 × 124,444.20
  4. Step 4: Simplify right side
    187,429.80x = 34,986,827,275.74
  5. Step 5: Solve for x
    x = 34,986,827,275.74/187,429.80
  6. Step 6: Final answer
    x = 186,666.30

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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.