Home / 160,651.15-221,695.18-89,030.54

Finding the Fourth Proportional to 160,651.15, 221,695.18 and 89,030.54

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Solution

The fourth proportional to 160,651.15, 221,695.18 and 89,030.54 is: 122,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,651.15 : 221,695.18 = 89,030.54 : x
  2. Step 2: Convert to fraction form
    160,651.15/221,695.18 = 89,030.54/x
  3. Step 3: Cross multiply
    160,651.15x = 221,695.18 × 89,030.54
  4. Step 4: Simplify right side
    160,651.15x = 19,737,641,922.46
  5. Step 5: Solve for x
    x = 19,737,641,922.46/160,651.15
  6. Step 6: Final answer
    x = 122,860.26

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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.