Home / 160,969.12-222,126.87-89,349.10

Finding the Fourth Proportional to 160,969.12, 222,126.87 and 89,349.10

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Solution

The fourth proportional to 160,969.12, 222,126.87 and 89,349.10 is: 123,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,969.12 : 222,126.87 = 89,349.10 : x
  2. Step 2: Convert to fraction form
    160,969.12/222,126.87 = 89,349.10/x
  3. Step 3: Cross multiply
    160,969.12x = 222,126.87 × 89,349.10
  4. Step 4: Simplify right side
    160,969.12x = 19,846,835,920.32
  5. Step 5: Solve for x
    x = 19,846,835,920.32/160,969.12
  6. Step 6: Final answer
    x = 123,295.92

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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.