Home / 160,861.62-222,002.55-89,240.40

Finding the Fourth Proportional to 160,861.62, 222,002.55 and 89,240.40

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Solution

The fourth proportional to 160,861.62, 222,002.55 and 89,240.40 is: 123,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,861.62 : 222,002.55 = 89,240.40 : x
  2. Step 2: Convert to fraction form
    160,861.62/222,002.55 = 89,240.40/x
  3. Step 3: Cross multiply
    160,861.62x = 222,002.55 × 89,240.40
  4. Step 4: Simplify right side
    160,861.62x = 19,811,596,363.02
  5. Step 5: Solve for x
    x = 19,811,596,363.02/160,861.62
  6. Step 6: Final answer
    x = 123,159.25

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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.