Home / 131,901.17-182,022.98-71,471.78

Finding the Fourth Proportional to 131,901.17, 182,022.98 and 71,471.78

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Solution

The fourth proportional to 131,901.17, 182,022.98 and 71,471.78 is: 98,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.17 : 182,022.98 = 71,471.78 : x
  2. Step 2: Convert to fraction form
    131,901.17/182,022.98 = 71,471.78/x
  3. Step 3: Cross multiply
    131,901.17x = 182,022.98 × 71,471.78
  4. Step 4: Simplify right side
    131,901.17x = 13,009,507,015.24
  5. Step 5: Solve for x
    x = 13,009,507,015.24/131,901.17
  6. Step 6: Final answer
    x = 98,630.72

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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.