Home / 156,088.41-215,402.01-84,468.43

Finding the Fourth Proportional to 156,088.41, 215,402.01 and 84,468.43

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Solution

The fourth proportional to 156,088.41, 215,402.01 and 84,468.43 is: 116,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.41 : 215,402.01 = 84,468.43 : x
  2. Step 2: Convert to fraction form
    156,088.41/215,402.01 = 84,468.43/x
  3. Step 3: Cross multiply
    156,088.41x = 215,402.01 × 84,468.43
  4. Step 4: Simplify right side
    156,088.41x = 18,194,669,603.54
  5. Step 5: Solve for x
    x = 18,194,669,603.54/156,088.41
  6. Step 6: Final answer
    x = 116,566.44

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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.