Home / 160,937.28-222,086.88-89,320.32

Finding the Fourth Proportional to 160,937.28, 222,086.88 and 89,320.32

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Solution

The fourth proportional to 160,937.28, 222,086.88 and 89,320.32 is: 123,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,937.28 : 222,086.88 = 89,320.32 : x
  2. Step 2: Convert to fraction form
    160,937.28/222,086.88 = 89,320.32/x
  3. Step 3: Cross multiply
    160,937.28x = 222,086.88 × 89,320.32
  4. Step 4: Simplify right side
    160,937.28x = 19,836,871,189.40
  5. Step 5: Solve for x
    x = 19,836,871,189.40/160,937.28
  6. Step 6: Final answer
    x = 123,258.40

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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.