Home / 191,161.76-263,414.18-147,878.32

Finding the Fourth Proportional to 191,161.76, 263,414.18 and 147,878.32

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Solution

The fourth proportional to 191,161.76, 263,414.18 and 147,878.32 is: 203,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,161.76 : 263,414.18 = 147,878.32 : x
  2. Step 2: Convert to fraction form
    191,161.76/263,414.18 = 147,878.32/x
  3. Step 3: Cross multiply
    191,161.76x = 263,414.18 × 147,878.32
  4. Step 4: Simplify right side
    191,161.76x = 38,953,246,402.58
  5. Step 5: Solve for x
    x = 38,953,246,402.58/191,161.76
  6. Step 6: Final answer
    x = 203,771.12

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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.