Home / 161,856.90-223,351.11-90,240.84

Finding the Fourth Proportional to 161,856.90, 223,351.11 and 90,240.84

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Solution

The fourth proportional to 161,856.90, 223,351.11 and 90,240.84 is: 124,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856.90 : 223,351.11 = 90,240.84 : x
  2. Step 2: Convert to fraction form
    161,856.90/223,351.11 = 90,240.84/x
  3. Step 3: Cross multiply
    161,856.90x = 223,351.11 × 90,240.84
  4. Step 4: Simplify right side
    161,856.90x = 20,155,391,781.33
  5. Step 5: Solve for x
    x = 20,155,391,781.33/161,856.90
  6. Step 6: Final answer
    x = 124,526.00

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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.