Home / 161,580.24-222,981.12-89,956.80

Finding the Fourth Proportional to 161,580.24, 222,981.12 and 89,956.80

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Solution

The fourth proportional to 161,580.24, 222,981.12 and 89,956.80 is: 124,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,580.24 : 222,981.12 = 89,956.80 : x
  2. Step 2: Convert to fraction form
    161,580.24/222,981.12 = 89,956.80/x
  3. Step 3: Cross multiply
    161,580.24x = 222,981.12 × 89,956.80
  4. Step 4: Simplify right side
    161,580.24x = 20,058,668,015.62
  5. Step 5: Solve for x
    x = 20,058,668,015.62/161,580.24
  6. Step 6: Final answer
    x = 124,140.60

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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.