Home / 160,520.90-221,521.12-92,536.66

Finding the Fourth Proportional to 160,520.90, 221,521.12 and 92,536.66

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Solution

The fourth proportional to 160,520.90, 221,521.12 and 92,536.66 is: 127,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520.90 : 221,521.12 = 92,536.66 : x
  2. Step 2: Convert to fraction form
    160,520.90/221,521.12 = 92,536.66/x
  3. Step 3: Cross multiply
    160,520.90x = 221,521.12 × 92,536.66
  4. Step 4: Simplify right side
    160,520.90x = 20,498,824,564.26
  5. Step 5: Solve for x
    x = 20,498,824,564.26/160,520.90
  6. Step 6: Final answer
    x = 127,701.90

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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.