Home / 191,211.38-263,841.17-106,329.06

Finding the Fourth Proportional to 191,211.38, 263,841.17 and 106,329.06

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Solution

The fourth proportional to 191,211.38, 263,841.17 and 106,329.06 is: 146,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,211.38 : 263,841.17 = 106,329.06 : x
  2. Step 2: Convert to fraction form
    191,211.38/263,841.17 = 106,329.06/x
  3. Step 3: Cross multiply
    191,211.38x = 263,841.17 × 106,329.06
  4. Step 4: Simplify right side
    191,211.38x = 28,053,983,595.40
  5. Step 5: Solve for x
    x = 28,053,983,595.40/191,211.38
  6. Step 6: Final answer
    x = 146,717.12

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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.