Home / 187,829.47-259,123.21-124,255.81

Finding the Fourth Proportional to 187,829.47, 259,123.21 and 124,255.81

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Solution

The fourth proportional to 187,829.47, 259,123.21 and 124,255.81 is: 171,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,829.47 : 259,123.21 = 124,255.81 : x
  2. Step 2: Convert to fraction form
    187,829.47/259,123.21 = 124,255.81/x
  3. Step 3: Cross multiply
    187,829.47x = 259,123.21 × 124,255.81
  4. Step 4: Simplify right side
    187,829.47x = 32,197,564,348.35
  5. Step 5: Solve for x
    x = 32,197,564,348.35/187,829.47
  6. Step 6: Final answer
    x = 171,419.13

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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.