Home / 127,677.60-176,188.20-70,305.84

Finding the Fourth Proportional to 127,677.60, 176,188.20 and 70,305.84

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Solution

The fourth proportional to 127,677.60, 176,188.20 and 70,305.84 is: 97,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.60 : 176,188.20 = 70,305.84 : x
  2. Step 2: Convert to fraction form
    127,677.60/176,188.20 = 70,305.84/x
  3. Step 3: Cross multiply
    127,677.60x = 176,188.20 × 70,305.84
  4. Step 4: Simplify right side
    127,677.60x = 12,387,059,399.09
  5. Step 5: Solve for x
    x = 12,387,059,399.09/127,677.60
  6. Step 6: Final answer
    x = 97,018.27

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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.