Home / 238,864.10-329,594.81-136,869.95

Finding the Fourth Proportional to 238,864.10, 329,594.81 and 136,869.95

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Solution

The fourth proportional to 238,864.10, 329,594.81 and 136,869.95 is: 188,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,864.10 : 329,594.81 = 136,869.95 : x
  2. Step 2: Convert to fraction form
    238,864.10/329,594.81 = 136,869.95/x
  3. Step 3: Cross multiply
    238,864.10x = 329,594.81 × 136,869.95
  4. Step 4: Simplify right side
    238,864.10x = 45,111,623,859.16
  5. Step 5: Solve for x
    x = 45,111,623,859.16/238,864.10
  6. Step 6: Final answer
    x = 188,858.96

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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.