Home / 126,332.12-174,337.20-69,742.28

Finding the Fourth Proportional to 126,332.12, 174,337.20 and 69,742.28

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Solution

The fourth proportional to 126,332.12, 174,337.20 and 69,742.28 is: 96,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,332.12 : 174,337.20 = 69,742.28 : x
  2. Step 2: Convert to fraction form
    126,332.12/174,337.20 = 69,742.28/x
  3. Step 3: Cross multiply
    126,332.12x = 174,337.20 × 69,742.28
  4. Step 4: Simplify right side
    126,332.12x = 12,158,673,816.82
  5. Step 5: Solve for x
    x = 12,158,673,816.82/126,332.12
  6. Step 6: Final answer
    x = 96,243.73

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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.