Home / 120,848.27-181,272.47-45,951.12

Finding the Fourth Proportional to 120,848.27, 181,272.47 and 45,951.12

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Solution

The fourth proportional to 120,848.27, 181,272.47 and 45,951.12 is: 68,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,848.27 : 181,272.47 = 45,951.12 : x
  2. Step 2: Convert to fraction form
    120,848.27/181,272.47 = 45,951.12/x
  3. Step 3: Cross multiply
    120,848.27x = 181,272.47 × 45,951.12
  4. Step 4: Simplify right side
    120,848.27x = 8,329,673,021.67
  5. Step 5: Solve for x
    x = 8,329,673,021.67/120,848.27
  6. Step 6: Final answer
    x = 68,926.70

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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.