Home / 156,424.59-215,877.00-88,442.23

Finding the Fourth Proportional to 156,424.59, 215,877.00 and 88,442.23

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Solution

The fourth proportional to 156,424.59, 215,877.00 and 88,442.23 is: 122,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,424.59 : 215,877.00 = 88,442.23 : x
  2. Step 2: Convert to fraction form
    156,424.59/215,877.00 = 88,442.23/x
  3. Step 3: Cross multiply
    156,424.59x = 215,877.00 × 88,442.23
  4. Step 4: Simplify right side
    156,424.59x = 19,092,642,984.96
  5. Step 5: Solve for x
    x = 19,092,642,984.96/156,424.59
  6. Step 6: Final answer
    x = 122,056.53

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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.