Home / 160,899.59-222,040.72-89,279.45

Finding the Fourth Proportional to 160,899.59, 222,040.72 and 89,279.45

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Solution

The fourth proportional to 160,899.59, 222,040.72 and 89,279.45 is: 123,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,899.59 : 222,040.72 = 89,279.45 : x
  2. Step 2: Convert to fraction form
    160,899.59/222,040.72 = 89,279.45/x
  3. Step 3: Cross multiply
    160,899.59x = 222,040.72 × 89,279.45
  4. Step 4: Simplify right side
    160,899.59x = 19,823,673,193.25
  5. Step 5: Solve for x
    x = 19,823,673,193.25/160,899.59
  6. Step 6: Final answer
    x = 123,205.24

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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.