Home / 127,742.07-191,613.11-48,880.47

Finding the Fourth Proportional to 127,742.07, 191,613.11 and 48,880.47

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Solution

The fourth proportional to 127,742.07, 191,613.11 and 48,880.47 is: 73,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,742.07 : 191,613.11 = 48,880.47 : x
  2. Step 2: Convert to fraction form
    127,742.07/191,613.11 = 48,880.47/x
  3. Step 3: Cross multiply
    127,742.07x = 191,613.11 × 48,880.47
  4. Step 4: Simplify right side
    127,742.07x = 9,366,138,874.96
  5. Step 5: Solve for x
    x = 9,366,138,874.96/127,742.07
  6. Step 6: Final answer
    x = 73,320.71

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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.