Home / 191,113.43-263,715.12-114,635.66

Finding the Fourth Proportional to 191,113.43, 263,715.12 and 114,635.66

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Solution

The fourth proportional to 191,113.43, 263,715.12 and 114,635.66 is: 158,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,113.43 : 263,715.12 = 114,635.66 : x
  2. Step 2: Convert to fraction form
    191,113.43/263,715.12 = 114,635.66/x
  3. Step 3: Cross multiply
    191,113.43x = 263,715.12 × 114,635.66
  4. Step 4: Simplify right side
    191,113.43x = 30,231,155,514.60
  5. Step 5: Solve for x
    x = 30,231,155,514.60/191,113.43
  6. Step 6: Final answer
    x = 158,184.36

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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.