Home / 161,837.85-242,883.90-112,266.78

Finding the Fourth Proportional to 161,837.85, 242,883.90 and 112,266.78

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Solution

The fourth proportional to 161,837.85, 242,883.90 and 112,266.78 is: 168,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,837.85 : 242,883.90 = 112,266.78 : x
  2. Step 2: Convert to fraction form
    161,837.85/242,883.90 = 112,266.78/x
  3. Step 3: Cross multiply
    161,837.85x = 242,883.90 × 112,266.78
  4. Step 4: Simplify right side
    161,837.85x = 27,267,793,366.84
  5. Step 5: Solve for x
    x = 27,267,793,366.84/161,837.85
  6. Step 6: Final answer
    x = 168,488.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.