Home / 127,819.23-176,403.72-76,848.63

Finding the Fourth Proportional to 127,819.23, 176,403.72 and 76,848.63

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Solution

The fourth proportional to 127,819.23, 176,403.72 and 76,848.63 is: 106,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.23 : 176,403.72 = 76,848.63 : x
  2. Step 2: Convert to fraction form
    127,819.23/176,403.72 = 76,848.63/x
  3. Step 3: Cross multiply
    127,819.23x = 176,403.72 × 76,848.63
  4. Step 4: Simplify right side
    127,819.23x = 13,556,384,208.90
  5. Step 5: Solve for x
    x = 13,556,384,208.90/127,819.23
  6. Step 6: Final answer
    x = 106,059.04

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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.