Home / 160,800.60-221,918.11-89,203.70

Finding the Fourth Proportional to 160,800.60, 221,918.11 and 89,203.70

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Solution

The fourth proportional to 160,800.60, 221,918.11 and 89,203.70 is: 123,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,800.60 : 221,918.11 = 89,203.70 : x
  2. Step 2: Convert to fraction form
    160,800.60/221,918.11 = 89,203.70/x
  3. Step 3: Cross multiply
    160,800.60x = 221,918.11 × 89,203.70
  4. Step 4: Simplify right side
    160,800.60x = 19,795,916,509.01
  5. Step 5: Solve for x
    x = 19,795,916,509.01/160,800.60
  6. Step 6: Final answer
    x = 123,108.47

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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.