Home / 191,465.38-264,219.95-105,422.52

Finding the Fourth Proportional to 191,465.38, 264,219.95 and 105,422.52

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Solution

The fourth proportional to 191,465.38, 264,219.95 and 105,422.52 is: 145,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,465.38 : 264,219.95 = 105,422.52 : x
  2. Step 2: Convert to fraction form
    191,465.38/264,219.95 = 105,422.52/x
  3. Step 3: Cross multiply
    191,465.38x = 264,219.95 × 105,422.52
  4. Step 4: Simplify right side
    191,465.38x = 27,854,734,217.66
  5. Step 5: Solve for x
    x = 27,854,734,217.66/191,465.38
  6. Step 6: Final answer
    x = 145,481.83

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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.