Home / 191,053.32-286,308.41-140,737.74

Finding the Fourth Proportional to 191,053.32, 286,308.41 and 140,737.74

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Solution

The fourth proportional to 191,053.32, 286,308.41 and 140,737.74 is: 210,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,053.32 : 286,308.41 = 140,737.74 : x
  2. Step 2: Convert to fraction form
    191,053.32/286,308.41 = 140,737.74/x
  3. Step 3: Cross multiply
    191,053.32x = 286,308.41 × 140,737.74
  4. Step 4: Simplify right side
    191,053.32x = 40,294,396,789.05
  5. Step 5: Solve for x
    x = 40,294,396,789.05/191,053.32
  6. Step 6: Final answer
    x = 210,906.56

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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.