Home / 125,354.24-173,001.28-71,646.96

Finding the Fourth Proportional to 125,354.24, 173,001.28 and 71,646.96

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Solution

The fourth proportional to 125,354.24, 173,001.28 and 71,646.96 is: 98,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,354.24 : 173,001.28 = 71,646.96 : x
  2. Step 2: Convert to fraction form
    125,354.24/173,001.28 = 71,646.96/x
  3. Step 3: Cross multiply
    125,354.24x = 173,001.28 × 71,646.96
  4. Step 4: Simplify right side
    125,354.24x = 12,395,015,788.11
  5. Step 5: Solve for x
    x = 12,395,015,788.11/125,354.24
  6. Step 6: Final answer
    x = 98,879.91

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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.