Home / 191,010.38-286,243.83-140,694.74

Finding the Fourth Proportional to 191,010.38, 286,243.83 and 140,694.74

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Solution

The fourth proportional to 191,010.38, 286,243.83 and 140,694.74 is: 210,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,010.38 : 286,243.83 = 140,694.74 : x
  2. Step 2: Convert to fraction form
    191,010.38/286,243.83 = 140,694.74/x
  3. Step 3: Cross multiply
    191,010.38x = 286,243.83 × 140,694.74
  4. Step 4: Simplify right side
    191,010.38x = 40,273,001,238.45
  5. Step 5: Solve for x
    x = 40,273,001,238.45/191,010.38
  6. Step 6: Final answer
    x = 210,841.95

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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.