Home / 161,056.80-222,260.56-89,441.44

Finding the Fourth Proportional to 161,056.80, 222,260.56 and 89,441.44

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Solution

The fourth proportional to 161,056.80, 222,260.56 and 89,441.44 is: 123,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,056.80 : 222,260.56 = 89,441.44 : x
  2. Step 2: Convert to fraction form
    161,056.80/222,260.56 = 89,441.44/x
  3. Step 3: Cross multiply
    161,056.80x = 222,260.56 × 89,441.44
  4. Step 4: Simplify right side
    161,056.80x = 19,879,304,541.61
  5. Step 5: Solve for x
    x = 19,879,304,541.61/161,056.80
  6. Step 6: Final answer
    x = 123,430.40

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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.