Home / 160,738.90-221,808.84-92,758.70

Finding the Fourth Proportional to 160,738.90, 221,808.84 and 92,758.70

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Solution

The fourth proportional to 160,738.90, 221,808.84 and 92,758.70 is: 128,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,738.90 : 221,808.84 = 92,758.70 : x
  2. Step 2: Convert to fraction form
    160,738.90/221,808.84 = 92,758.70/x
  3. Step 3: Cross multiply
    160,738.90x = 221,808.84 × 92,758.70
  4. Step 4: Simplify right side
    160,738.90x = 20,574,699,646.91
  5. Step 5: Solve for x
    x = 20,574,699,646.91/160,738.90
  6. Step 6: Final answer
    x = 128,000.75

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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.