Home / 161,706.28-223,154.80-90,086.48

Finding the Fourth Proportional to 161,706.28, 223,154.80 and 90,086.48

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Solution

The fourth proportional to 161,706.28, 223,154.80 and 90,086.48 is: 124,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,706.28 : 223,154.80 = 90,086.48 : x
  2. Step 2: Convert to fraction form
    161,706.28/223,154.80 = 90,086.48/x
  3. Step 3: Cross multiply
    161,706.28x = 223,154.80 × 90,086.48
  4. Step 4: Simplify right side
    161,706.28x = 20,103,230,427.10
  5. Step 5: Solve for x
    x = 20,103,230,427.10/161,706.28
  6. Step 6: Final answer
    x = 124,319.42

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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.