Home / 125,637.12-173,376.18-71,918.73

Finding the Fourth Proportional to 125,637.12, 173,376.18 and 71,918.73

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Solution

The fourth proportional to 125,637.12, 173,376.18 and 71,918.73 is: 99,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,637.12 : 173,376.18 = 71,918.73 : x
  2. Step 2: Convert to fraction form
    125,637.12/173,376.18 = 71,918.73/x
  3. Step 3: Cross multiply
    125,637.12x = 173,376.18 × 71,918.73
  4. Step 4: Simplify right side
    125,637.12x = 12,468,994,677.85
  5. Step 5: Solve for x
    x = 12,468,994,677.85/125,637.12
  6. Step 6: Final answer
    x = 99,246.10

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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.