Home / 112,503.48-155,249.10-62,192.76

Finding the Fourth Proportional to 112,503.48, 155,249.10 and 62,192.76

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Solution

The fourth proportional to 112,503.48, 155,249.10 and 62,192.76 is: 85,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,503.48 : 155,249.10 = 62,192.76 : x
  2. Step 2: Convert to fraction form
    112,503.48/155,249.10 = 62,192.76/x
  3. Step 3: Cross multiply
    112,503.48x = 155,249.10 × 62,192.76
  4. Step 4: Simplify right side
    112,503.48x = 9,655,370,016.52
  5. Step 5: Solve for x
    x = 9,655,370,016.52/112,503.48
  6. Step 6: Final answer
    x = 85,822.86

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1.5x scale

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.