Home / 156,468.48-215,923.80-88,483.14

Finding the Fourth Proportional to 156,468.48, 215,923.80 and 88,483.14

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Solution

The fourth proportional to 156,468.48, 215,923.80 and 88,483.14 is: 122,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,468.48 : 215,923.80 = 88,483.14 : x
  2. Step 2: Convert to fraction form
    156,468.48/215,923.80 = 88,483.14/x
  3. Step 3: Cross multiply
    156,468.48x = 215,923.80 × 88,483.14
  4. Step 4: Simplify right side
    156,468.48x = 19,105,615,824.73
  5. Step 5: Solve for x
    x = 19,105,615,824.73/156,468.48
  6. Step 6: Final answer
    x = 122,105.20

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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.