Home / 258,174.90-386,701.54-124,775.39

Finding the Fourth Proportional to 258,174.90, 386,701.54 and 124,775.39

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Solution

The fourth proportional to 258,174.90, 386,701.54 and 124,775.39 is: 186,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,174.90 : 386,701.54 = 124,775.39 : x
  2. Step 2: Convert to fraction form
    258,174.90/386,701.54 = 124,775.39/x
  3. Step 3: Cross multiply
    258,174.90x = 386,701.54 × 124,775.39
  4. Step 4: Simplify right side
    258,174.90x = 48,250,832,909.72
  5. Step 5: Solve for x
    x = 48,250,832,909.72/258,174.90
  6. Step 6: Final answer
    x = 186,892.04

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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.