Home / 161,603.12-223,031.86-92,717.80

Finding the Fourth Proportional to 161,603.12, 223,031.86 and 92,717.80

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Solution

The fourth proportional to 161,603.12, 223,031.86 and 92,717.80 is: 127,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,603.12 : 223,031.86 = 92,717.80 : x
  2. Step 2: Convert to fraction form
    161,603.12/223,031.86 = 92,717.80/x
  3. Step 3: Cross multiply
    161,603.12x = 223,031.86 × 92,717.80
  4. Step 4: Simplify right side
    161,603.12x = 20,679,022,599.73
  5. Step 5: Solve for x
    x = 20,679,022,599.73/161,603.12
  6. Step 6: Final answer
    x = 127,961.78

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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.