Home / 160,971.52-222,130.20-89,348.08

Finding the Fourth Proportional to 160,971.52, 222,130.20 and 89,348.08

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Solution

The fourth proportional to 160,971.52, 222,130.20 and 89,348.08 is: 123,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,971.52 : 222,130.20 = 89,348.08 : x
  2. Step 2: Convert to fraction form
    160,971.52/222,130.20 = 89,348.08/x
  3. Step 3: Cross multiply
    160,971.52x = 222,130.20 × 89,348.08
  4. Step 4: Simplify right side
    160,971.52x = 19,846,906,880.02
  5. Step 5: Solve for x
    x = 19,846,906,880.02/160,971.52
  6. Step 6: Final answer
    x = 123,294.52

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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.