Home / 160,364.34-221,306.40-103,874.04

Finding the Fourth Proportional to 160,364.34, 221,306.40 and 103,874.04

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Solution

The fourth proportional to 160,364.34, 221,306.40 and 103,874.04 is: 143,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,364.34 : 221,306.40 = 103,874.04 : x
  2. Step 2: Convert to fraction form
    160,364.34/221,306.40 = 103,874.04/x
  3. Step 3: Cross multiply
    160,364.34x = 221,306.40 × 103,874.04
  4. Step 4: Simplify right side
    160,364.34x = 22,987,989,845.86
  5. Step 5: Solve for x
    x = 22,987,989,845.86/160,364.34
  6. Step 6: Final answer
    x = 143,348.51

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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.