Home / 127,819.10-176,403.48-76,848.44

Finding the Fourth Proportional to 127,819.10, 176,403.48 and 76,848.44

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Solution

The fourth proportional to 127,819.10, 176,403.48 and 76,848.44 is: 106,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.10 : 176,403.48 = 76,848.44 : x
  2. Step 2: Convert to fraction form
    127,819.10/176,403.48 = 76,848.44/x
  3. Step 3: Cross multiply
    127,819.10x = 176,403.48 × 76,848.44
  4. Step 4: Simplify right side
    127,819.10x = 13,556,332,248.57
  5. Step 5: Solve for x
    x = 13,556,332,248.57/127,819.10
  6. Step 6: Final answer
    x = 106,058.74

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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.