Home / 160,955.16-222,116.49-89,335.80

Finding the Fourth Proportional to 160,955.16, 222,116.49 and 89,335.80

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Solution

The fourth proportional to 160,955.16, 222,116.49 and 89,335.80 is: 123,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,955.16 : 222,116.49 = 89,335.80 : x
  2. Step 2: Convert to fraction form
    160,955.16/222,116.49 = 89,335.80/x
  3. Step 3: Cross multiply
    160,955.16x = 222,116.49 × 89,335.80
  4. Step 4: Simplify right side
    160,955.16x = 19,842,954,327.34
  5. Step 5: Solve for x
    x = 19,842,954,327.34/160,955.16
  6. Step 6: Final answer
    x = 123,282.50

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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.