Home / 161,853.20-223,406.80-93,887.36

Finding the Fourth Proportional to 161,853.20, 223,406.80 and 93,887.36

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Solution

The fourth proportional to 161,853.20, 223,406.80 and 93,887.36 is: 129,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,853.20 : 223,406.80 = 93,887.36 : x
  2. Step 2: Convert to fraction form
    161,853.20/223,406.80 = 93,887.36/x
  3. Step 3: Cross multiply
    161,853.20x = 223,406.80 × 93,887.36
  4. Step 4: Simplify right side
    161,853.20x = 20,975,074,658.05
  5. Step 5: Solve for x
    x = 20,975,074,658.05/161,853.20
  6. Step 6: Final answer
    x = 129,593.20

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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.