Home / 131,886.23-182,002.68-71,458.47

Finding the Fourth Proportional to 131,886.23, 182,002.68 and 71,458.47

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Solution

The fourth proportional to 131,886.23, 182,002.68 and 71,458.47 is: 98,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,886.23 : 182,002.68 = 71,458.47 : x
  2. Step 2: Convert to fraction form
    131,886.23/182,002.68 = 71,458.47/x
  3. Step 3: Cross multiply
    131,886.23x = 182,002.68 × 71,458.47
  4. Step 4: Simplify right side
    131,886.23x = 13,005,633,048.70
  5. Step 5: Solve for x
    x = 13,005,633,048.70/131,886.23
  6. Step 6: Final answer
    x = 98,612.52

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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.