Home / 160,641.12-221,686.52-89,022.52

Finding the Fourth Proportional to 160,641.12, 221,686.52 and 89,022.52

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Solution

The fourth proportional to 160,641.12, 221,686.52 and 89,022.52 is: 122,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,641.12 : 221,686.52 = 89,022.52 : x
  2. Step 2: Convert to fraction form
    160,641.12/221,686.52 = 89,022.52/x
  3. Step 3: Cross multiply
    160,641.12x = 221,686.52 × 89,022.52
  4. Step 4: Simplify right side
    160,641.12x = 19,735,092,660.43
  5. Step 5: Solve for x
    x = 19,735,092,660.43/160,641.12
  6. Step 6: Final answer
    x = 122,852.06

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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.