Home / 134,419.32-185,524.74-77,092.56

Finding the Fourth Proportional to 134,419.32, 185,524.74 and 77,092.56

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Solution

The fourth proportional to 134,419.32, 185,524.74 and 77,092.56 is: 106,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,419.32 : 185,524.74 = 77,092.56 : x
  2. Step 2: Convert to fraction form
    134,419.32/185,524.74 = 77,092.56/x
  3. Step 3: Cross multiply
    134,419.32x = 185,524.74 × 77,092.56
  4. Step 4: Simplify right side
    134,419.32x = 14,302,577,149.93
  5. Step 5: Solve for x
    x = 14,302,577,149.93/134,419.32
  6. Step 6: Final answer
    x = 106,402.69

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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.