Home / 114,520.29-157,925.46-87,365.85

Finding the Fourth Proportional to 114,520.29, 157,925.46 and 87,365.85

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Solution

The fourth proportional to 114,520.29, 157,925.46 and 87,365.85 is: 120,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,520.29 : 157,925.46 = 87,365.85 : x
  2. Step 2: Convert to fraction form
    114,520.29/157,925.46 = 87,365.85/x
  3. Step 3: Cross multiply
    114,520.29x = 157,925.46 × 87,365.85
  4. Step 4: Simplify right side
    114,520.29x = 13,797,292,049.54
  5. Step 5: Solve for x
    x = 13,797,292,049.54/114,520.29
  6. Step 6: Final answer
    x = 120,479.02

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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.