Home / 207,625.86-286,523.64-112,132.53

Finding the Fourth Proportional to 207,625.86, 286,523.64 and 112,132.53

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Solution

The fourth proportional to 207,625.86, 286,523.64 and 112,132.53 is: 154,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,625.86 : 286,523.64 = 112,132.53 : x
  2. Step 2: Convert to fraction form
    207,625.86/286,523.64 = 112,132.53/x
  3. Step 3: Cross multiply
    207,625.86x = 286,523.64 × 112,132.53
  4. Step 4: Simplify right side
    207,625.86x = 32,128,620,658.01
  5. Step 5: Solve for x
    x = 32,128,620,658.01/207,625.86
  6. Step 6: Final answer
    x = 154,742.87

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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.