Home / 161,281.44-222,555.78-89,657.10

Finding the Fourth Proportional to 161,281.44, 222,555.78 and 89,657.10

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Solution

The fourth proportional to 161,281.44, 222,555.78 and 89,657.10 is: 123,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,281.44 : 222,555.78 = 89,657.10 : x
  2. Step 2: Convert to fraction form
    161,281.44/222,555.78 = 89,657.10/x
  3. Step 3: Cross multiply
    161,281.44x = 222,555.78 × 89,657.10
  4. Step 4: Simplify right side
    161,281.44x = 19,953,705,823.04
  5. Step 5: Solve for x
    x = 19,953,705,823.04/161,281.44
  6. Step 6: Final answer
    x = 123,719.79

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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.