Home / 160,758.33-221,835.67-89,135.70

Finding the Fourth Proportional to 160,758.33, 221,835.67 and 89,135.70

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Solution

The fourth proportional to 160,758.33, 221,835.67 and 89,135.70 is: 123,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,758.33 : 221,835.67 = 89,135.70 : x
  2. Step 2: Convert to fraction form
    160,758.33/221,835.67 = 89,135.70/x
  3. Step 3: Cross multiply
    160,758.33x = 221,835.67 × 89,135.70
  4. Step 4: Simplify right side
    160,758.33x = 19,773,477,730.42
  5. Step 5: Solve for x
    x = 19,773,477,730.42/160,758.33
  6. Step 6: Final answer
    x = 123,001.26

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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.