Home / 110,937.78-166,328.55-38,872.98

Finding the Fourth Proportional to 110,937.78, 166,328.55 and 38,872.98

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Solution

The fourth proportional to 110,937.78, 166,328.55 and 38,872.98 is: 58,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,937.78 : 166,328.55 = 38,872.98 : x
  2. Step 2: Convert to fraction form
    110,937.78/166,328.55 = 38,872.98/x
  3. Step 3: Cross multiply
    110,937.78x = 166,328.55 × 38,872.98
  4. Step 4: Simplify right side
    110,937.78x = 6,465,686,397.58
  5. Step 5: Solve for x
    x = 6,465,686,397.58/110,937.78
  6. Step 6: Final answer
    x = 58,282.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.