Home / 121,373.16-182,117.52-54,833.64

Finding the Fourth Proportional to 121,373.16, 182,117.52 and 54,833.64

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Solution

The fourth proportional to 121,373.16, 182,117.52 and 54,833.64 is: 82,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,373.16 : 182,117.52 = 54,833.64 : x
  2. Step 2: Convert to fraction form
    121,373.16/182,117.52 = 54,833.64/x
  3. Step 3: Cross multiply
    121,373.16x = 182,117.52 × 54,833.64
  4. Step 4: Simplify right side
    121,373.16x = 9,986,166,529.37
  5. Step 5: Solve for x
    x = 9,986,166,529.37/121,373.16
  6. Step 6: Final answer
    x = 82,276.56

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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.