Home / 116,823.24-161,228.76-71,531.76

Finding the Fourth Proportional to 116,823.24, 161,228.76 and 71,531.76

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Solution

The fourth proportional to 116,823.24, 161,228.76 and 71,531.76 is: 98,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,823.24 : 161,228.76 = 71,531.76 : x
  2. Step 2: Convert to fraction form
    116,823.24/161,228.76 = 71,531.76/x
  3. Step 3: Cross multiply
    116,823.24x = 161,228.76 × 71,531.76
  4. Step 4: Simplify right side
    116,823.24x = 11,532,976,965.42
  5. Step 5: Solve for x
    x = 11,532,976,965.42/116,823.24
  6. Step 6: Final answer
    x = 98,721.60

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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.