Home / 170,538.12-255,844.08-65,357.16

Finding the Fourth Proportional to 170,538.12, 255,844.08 and 65,357.16

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Solution

The fourth proportional to 170,538.12, 255,844.08 and 65,357.16 is: 98,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,538.12 : 255,844.08 = 65,357.16 : x
  2. Step 2: Convert to fraction form
    170,538.12/255,844.08 = 65,357.16/x
  3. Step 3: Cross multiply
    170,538.12x = 255,844.08 × 65,357.16
  4. Step 4: Simplify right side
    170,538.12x = 16,721,242,471.61
  5. Step 5: Solve for x
    x = 16,721,242,471.61/170,538.12
  6. Step 6: Final answer
    x = 98,049.88

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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.