Home / 219,877.72-329,864.96-125,152.48

Finding the Fourth Proportional to 219,877.72, 329,864.96 and 125,152.48

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Solution

The fourth proportional to 219,877.72, 329,864.96 and 125,152.48 is: 187,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877.72 : 329,864.96 = 125,152.48 : x
  2. Step 2: Convert to fraction form
    219,877.72/329,864.96 = 125,152.48/x
  3. Step 3: Cross multiply
    219,877.72x = 329,864.96 × 125,152.48
  4. Step 4: Simplify right side
    219,877.72x = 41,283,417,809.10
  5. Step 5: Solve for x
    x = 41,283,417,809.10/219,877.72
  6. Step 6: Final answer
    x = 187,756.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.