Home / 238,923.48-329,708.34-130,023.19

Finding the Fourth Proportional to 238,923.48, 329,708.34 and 130,023.19

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Solution

The fourth proportional to 238,923.48, 329,708.34 and 130,023.19 is: 179,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,923.48 : 329,708.34 = 130,023.19 : x
  2. Step 2: Convert to fraction form
    238,923.48/329,708.34 = 130,023.19/x
  3. Step 3: Cross multiply
    238,923.48x = 329,708.34 × 130,023.19
  4. Step 4: Simplify right side
    238,923.48x = 42,869,730,136.40
  5. Step 5: Solve for x
    x = 42,869,730,136.40/238,923.48
  6. Step 6: Final answer
    x = 179,428.70

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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.