Home / 161,621.52-223,023.40-93,616.75

Finding the Fourth Proportional to 161,621.52, 223,023.40 and 93,616.75

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Solution

The fourth proportional to 161,621.52, 223,023.40 and 93,616.75 is: 129,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,621.52 : 223,023.40 = 93,616.75 : x
  2. Step 2: Convert to fraction form
    161,621.52/223,023.40 = 93,616.75/x
  3. Step 3: Cross multiply
    161,621.52x = 223,023.40 × 93,616.75
  4. Step 4: Simplify right side
    161,621.52x = 20,878,725,881.95
  5. Step 5: Solve for x
    x = 20,878,725,881.95/161,621.52
  6. Step 6: Final answer
    x = 129,182.83

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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.