Home / 161,615.27-223,029.07-93,671.66

Finding the Fourth Proportional to 161,615.27, 223,029.07 and 93,671.66

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Solution

The fourth proportional to 161,615.27, 223,029.07 and 93,671.66 is: 129,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,615.27 : 223,029.07 = 93,671.66 : x
  2. Step 2: Convert to fraction form
    161,615.27/223,029.07 = 93,671.66/x
  3. Step 3: Cross multiply
    161,615.27x = 223,029.07 × 93,671.66
  4. Step 4: Simplify right side
    161,615.27x = 20,891,503,215.16
  5. Step 5: Solve for x
    x = 20,891,503,215.16/161,615.27
  6. Step 6: Final answer
    x = 129,266.89

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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.