Home / 161,756.50-223,226.40-93,778.60

Finding the Fourth Proportional to 161,756.50, 223,226.40 and 93,778.60

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Solution

The fourth proportional to 161,756.50, 223,226.40 and 93,778.60 is: 129,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,756.50 : 223,226.40 = 93,778.60 : x
  2. Step 2: Convert to fraction form
    161,756.50/223,226.40 = 93,778.60/x
  3. Step 3: Cross multiply
    161,756.50x = 223,226.40 × 93,778.60
  4. Step 4: Simplify right side
    161,756.50x = 20,933,859,275.04
  5. Step 5: Solve for x
    x = 20,933,859,275.04/161,756.50
  6. Step 6: Final answer
    x = 129,415.88

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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.