Home / 161,972.24-223,522.02-90,350.42

Finding the Fourth Proportional to 161,972.24, 223,522.02 and 90,350.42

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Solution

The fourth proportional to 161,972.24, 223,522.02 and 90,350.42 is: 124,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,972.24 : 223,522.02 = 90,350.42 : x
  2. Step 2: Convert to fraction form
    161,972.24/223,522.02 = 90,350.42/x
  3. Step 3: Cross multiply
    161,972.24x = 223,522.02 × 90,350.42
  4. Step 4: Simplify right side
    161,972.24x = 20,195,308,386.25
  5. Step 5: Solve for x
    x = 20,195,308,386.25/161,972.24
  6. Step 6: Final answer
    x = 124,683.76

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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.