Home / 238,809.29-329,603.92-136,903.18

Finding the Fourth Proportional to 238,809.29, 329,603.92 and 136,903.18

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Solution

The fourth proportional to 238,809.29, 329,603.92 and 136,903.18 is: 188,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,809.29 : 329,603.92 = 136,903.18 : x
  2. Step 2: Convert to fraction form
    238,809.29/329,603.92 = 136,903.18/x
  3. Step 3: Cross multiply
    238,809.29x = 329,603.92 × 136,903.18
  4. Step 4: Simplify right side
    238,809.29x = 45,123,824,788.47
  5. Step 5: Solve for x
    x = 45,123,824,788.47/238,809.29
  6. Step 6: Final answer
    x = 188,953.39

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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.