Home / 121,372.16-182,116.02-54,832.64

Finding the Fourth Proportional to 121,372.16, 182,116.02 and 54,832.64

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Solution

The fourth proportional to 121,372.16, 182,116.02 and 54,832.64 is: 82,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,372.16 : 182,116.02 = 54,832.64 : x
  2. Step 2: Convert to fraction form
    121,372.16/182,116.02 = 54,832.64/x
  3. Step 3: Cross multiply
    121,372.16x = 182,116.02 × 54,832.64
  4. Step 4: Simplify right side
    121,372.16x = 9,985,902,162.89
  5. Step 5: Solve for x
    x = 9,985,902,162.89/121,372.16
  6. Step 6: Final answer
    x = 82,275.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.