Home / 114,240.04-157,545.90-78,366.76

Finding the Fourth Proportional to 114,240.04, 157,545.90 and 78,366.76

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Solution

The fourth proportional to 114,240.04, 157,545.90 and 78,366.76 is: 108,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,240.04 : 157,545.90 = 78,366.76 : x
  2. Step 2: Convert to fraction form
    114,240.04/157,545.90 = 78,366.76/x
  3. Step 3: Cross multiply
    114,240.04x = 157,545.90 × 78,366.76
  4. Step 4: Simplify right side
    114,240.04x = 12,346,361,734.28
  5. Step 5: Solve for x
    x = 12,346,361,734.28/114,240.04
  6. Step 6: Final answer
    x = 108,073.86

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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.