Home / 211,754.90-292,222.33-116,267.78

Finding the Fourth Proportional to 211,754.90, 292,222.33 and 116,267.78

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Solution

The fourth proportional to 211,754.90, 292,222.33 and 116,267.78 is: 160,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,754.90 : 292,222.33 = 116,267.78 : x
  2. Step 2: Convert to fraction form
    211,754.90/292,222.33 = 116,267.78/x
  3. Step 3: Cross multiply
    211,754.90x = 292,222.33 × 116,267.78
  4. Step 4: Simplify right side
    211,754.90x = 33,976,041,575.53
  5. Step 5: Solve for x
    x = 33,976,041,575.53/211,754.90
  6. Step 6: Final answer
    x = 160,449.85

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1.5x scale

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.