Home / 161,068.65-222,280.35-89,449.86

Finding the Fourth Proportional to 161,068.65, 222,280.35 and 89,449.86

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Solution

The fourth proportional to 161,068.65, 222,280.35 and 89,449.86 is: 123,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,068.65 : 222,280.35 = 89,449.86 : x
  2. Step 2: Convert to fraction form
    161,068.65/222,280.35 = 89,449.86/x
  3. Step 3: Cross multiply
    161,068.65x = 222,280.35 × 89,449.86
  4. Step 4: Simplify right side
    161,068.65x = 19,882,946,188.25
  5. Step 5: Solve for x
    x = 19,882,946,188.25/161,068.65
  6. Step 6: Final answer
    x = 123,443.92

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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.