Home / 216,442.32-298,691.88-120,953.04

Finding the Fourth Proportional to 216,442.32, 298,691.88 and 120,953.04

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Solution

The fourth proportional to 216,442.32, 298,691.88 and 120,953.04 is: 166,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,442.32 : 298,691.88 = 120,953.04 : x
  2. Step 2: Convert to fraction form
    216,442.32/298,691.88 = 120,953.04/x
  3. Step 3: Cross multiply
    216,442.32x = 298,691.88 × 120,953.04
  4. Step 4: Simplify right side
    216,442.32x = 36,127,690,909.32
  5. Step 5: Solve for x
    x = 36,127,690,909.32/216,442.32
  6. Step 6: Final answer
    x = 166,916.02

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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.