Home / 113,634.23-156,723.22-99,992.82

Finding the Fourth Proportional to 113,634.23, 156,723.22 and 99,992.82

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Solution

The fourth proportional to 113,634.23, 156,723.22 and 99,992.82 is: 137,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,634.23 : 156,723.22 = 99,992.82 : x
  2. Step 2: Convert to fraction form
    113,634.23/156,723.22 = 99,992.82/x
  3. Step 3: Cross multiply
    113,634.23x = 156,723.22 × 99,992.82
  4. Step 4: Simplify right side
    113,634.23x = 15,671,196,727.28
  5. Step 5: Solve for x
    x = 15,671,196,727.28/113,634.23
  6. Step 6: Final answer
    x = 137,909.12

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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.