Home / 131,965.20-182,108.52-71,533.20

Finding the Fourth Proportional to 131,965.20, 182,108.52 and 71,533.20

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Solution

The fourth proportional to 131,965.20, 182,108.52 and 71,533.20 is: 98,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,965.20 : 182,108.52 = 71,533.20 : x
  2. Step 2: Convert to fraction form
    131,965.20/182,108.52 = 71,533.20/x
  3. Step 3: Cross multiply
    131,965.20x = 182,108.52 × 71,533.20
  4. Step 4: Simplify right side
    131,965.20x = 13,026,805,182.86
  5. Step 5: Solve for x
    x = 13,026,805,182.86/131,965.20
  6. Step 6: Final answer
    x = 98,713.94

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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.