Home / 125,628.99-173,374.65-71,191.73

Finding the Fourth Proportional to 125,628.99, 173,374.65 and 71,191.73

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Solution

The fourth proportional to 125,628.99, 173,374.65 and 71,191.73 is: 98,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,628.99 : 173,374.65 = 71,191.73 : x
  2. Step 2: Convert to fraction form
    125,628.99/173,374.65 = 71,191.73/x
  3. Step 3: Cross multiply
    125,628.99x = 173,374.65 × 71,191.73
  4. Step 4: Simplify right side
    125,628.99x = 12,342,840,404.77
  5. Step 5: Solve for x
    x = 12,342,840,404.77/125,628.99
  6. Step 6: Final answer
    x = 98,248.35

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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.