Home / 160,810.77-221,935.01-89,204.70

Finding the Fourth Proportional to 160,810.77, 221,935.01 and 89,204.70

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Solution

The fourth proportional to 160,810.77, 221,935.01 and 89,204.70 is: 123,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,810.77 : 221,935.01 = 89,204.70 : x
  2. Step 2: Convert to fraction form
    160,810.77/221,935.01 = 89,204.70/x
  3. Step 3: Cross multiply
    160,810.77x = 221,935.01 × 89,204.70
  4. Step 4: Simplify right side
    160,810.77x = 19,797,645,540.52
  5. Step 5: Solve for x
    x = 19,797,645,540.52/160,810.77
  6. Step 6: Final answer
    x = 123,111.44

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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.