Home / 156,246.24-215,633.04-88,275.66

Finding the Fourth Proportional to 156,246.24, 215,633.04 and 88,275.66

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Solution

The fourth proportional to 156,246.24, 215,633.04 and 88,275.66 is: 121,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,246.24 : 215,633.04 = 88,275.66 : x
  2. Step 2: Convert to fraction form
    156,246.24/215,633.04 = 88,275.66/x
  3. Step 3: Cross multiply
    156,246.24x = 215,633.04 × 88,275.66
  4. Step 4: Simplify right side
    156,246.24x = 19,035,148,923.81
  5. Step 5: Solve for x
    x = 19,035,148,923.81/156,246.24
  6. Step 6: Final answer
    x = 121,827.88

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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.