Home / 127,662.48-176,200.92-76,677.44

Finding the Fourth Proportional to 127,662.48, 176,200.92 and 76,677.44

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Solution

The fourth proportional to 127,662.48, 176,200.92 and 76,677.44 is: 105,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,662.48 : 176,200.92 = 76,677.44 : x
  2. Step 2: Convert to fraction form
    127,662.48/176,200.92 = 76,677.44/x
  3. Step 3: Cross multiply
    127,662.48x = 176,200.92 × 76,677.44
  4. Step 4: Simplify right side
    127,662.48x = 13,510,634,590.24
  5. Step 5: Solve for x
    x = 13,510,634,590.24/127,662.48
  6. Step 6: Final answer
    x = 105,830.90

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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.