Home / 127,818.12-176,402.12-76,847.44

Finding the Fourth Proportional to 127,818.12, 176,402.12 and 76,847.44

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Solution

The fourth proportional to 127,818.12, 176,402.12 and 76,847.44 is: 106,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818.12 : 176,402.12 = 76,847.44 : x
  2. Step 2: Convert to fraction form
    127,818.12/176,402.12 = 76,847.44/x
  3. Step 3: Cross multiply
    127,818.12x = 176,402.12 × 76,847.44
  4. Step 4: Simplify right side
    127,818.12x = 13,556,051,332.57
  5. Step 5: Solve for x
    x = 13,556,051,332.57/127,818.12
  6. Step 6: Final answer
    x = 106,057.35

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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.