Home / 125,657.15-173,447.28-80,456.87

Finding the Fourth Proportional to 125,657.15, 173,447.28 and 80,456.87

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Solution

The fourth proportional to 125,657.15, 173,447.28 and 80,456.87 is: 111,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,657.15 : 173,447.28 = 80,456.87 : x
  2. Step 2: Convert to fraction form
    125,657.15/173,447.28 = 80,456.87/x
  3. Step 3: Cross multiply
    125,657.15x = 173,447.28 × 80,456.87
  4. Step 4: Simplify right side
    125,657.15x = 13,955,025,258.81
  5. Step 5: Solve for x
    x = 13,955,025,258.81/125,657.15
  6. Step 6: Final answer
    x = 111,056.36

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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.