Home / 187,324.53-258,429.45-122,809.26

Finding the Fourth Proportional to 187,324.53, 258,429.45 and 122,809.26

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Solution

The fourth proportional to 187,324.53, 258,429.45 and 122,809.26 is: 169,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,324.53 : 258,429.45 = 122,809.26 : x
  2. Step 2: Convert to fraction form
    187,324.53/258,429.45 = 122,809.26/x
  3. Step 3: Cross multiply
    187,324.53x = 258,429.45 × 122,809.26
  4. Step 4: Simplify right side
    187,324.53x = 31,737,529,516.71
  5. Step 5: Solve for x
    x = 31,737,529,516.71/187,324.53
  6. Step 6: Final answer
    x = 169,425.38

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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.