Home / 161,882.40-223,386.12-90,266.16

Finding the Fourth Proportional to 161,882.40, 223,386.12 and 90,266.16

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Solution

The fourth proportional to 161,882.40, 223,386.12 and 90,266.16 is: 124,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,882.40 : 223,386.12 = 90,266.16 : x
  2. Step 2: Convert to fraction form
    161,882.40/223,386.12 = 90,266.16/x
  3. Step 3: Cross multiply
    161,882.40x = 223,386.12 × 90,266.16
  4. Step 4: Simplify right side
    161,882.40x = 20,164,207,249.70
  5. Step 5: Solve for x
    x = 20,164,207,249.70/161,882.40
  6. Step 6: Final answer
    x = 124,560.84

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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.