Home / 156,197.16-215,551.80-84,577.32

Finding the Fourth Proportional to 156,197.16, 215,551.80 and 84,577.32

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Solution

The fourth proportional to 156,197.16, 215,551.80 and 84,577.32 is: 116,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,197.16 : 215,551.80 = 84,577.32 : x
  2. Step 2: Convert to fraction form
    156,197.16/215,551.80 = 84,577.32/x
  3. Step 3: Cross multiply
    156,197.16x = 215,551.80 × 84,577.32
  4. Step 4: Simplify right side
    156,197.16x = 18,230,793,565.18
  5. Step 5: Solve for x
    x = 18,230,793,565.18/156,197.16
  6. Step 6: Final answer
    x = 116,716.55

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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.