Home / 207,687.16-286,608.28-112,193.86

Finding the Fourth Proportional to 207,687.16, 286,608.28 and 112,193.86

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Solution

The fourth proportional to 207,687.16, 286,608.28 and 112,193.86 is: 154,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,687.16 : 286,608.28 = 112,193.86 : x
  2. Step 2: Convert to fraction form
    207,687.16/286,608.28 = 112,193.86/x
  3. Step 3: Cross multiply
    207,687.16x = 286,608.28 × 112,193.86
  4. Step 4: Simplify right side
    207,687.16x = 32,155,689,241.16
  5. Step 5: Solve for x
    x = 32,155,689,241.16/207,687.16
  6. Step 6: Final answer
    x = 154,827.53

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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.