Home / 160,158.15-221,008.75-88,533.90

Finding the Fourth Proportional to 160,158.15, 221,008.75 and 88,533.90

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Solution

The fourth proportional to 160,158.15, 221,008.75 and 88,533.90 is: 122,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,158.15 : 221,008.75 = 88,533.90 : x
  2. Step 2: Convert to fraction form
    160,158.15/221,008.75 = 88,533.90/x
  3. Step 3: Cross multiply
    160,158.15x = 221,008.75 × 88,533.90
  4. Step 4: Simplify right side
    160,158.15x = 19,566,766,350.29
  5. Step 5: Solve for x
    x = 19,566,766,350.29/160,158.15
  6. Step 6: Final answer
    x = 122,171.53

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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.