Home / 127,131.96-175,443.66-70,548.60

Finding the Fourth Proportional to 127,131.96, 175,443.66 and 70,548.60

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Solution

The fourth proportional to 127,131.96, 175,443.66 and 70,548.60 is: 97,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,131.96 : 175,443.66 = 70,548.60 : x
  2. Step 2: Convert to fraction form
    127,131.96/175,443.66 = 70,548.60/x
  3. Step 3: Cross multiply
    127,131.96x = 175,443.66 × 70,548.60
  4. Step 4: Simplify right side
    127,131.96x = 12,377,304,591.88
  5. Step 5: Solve for x
    x = 12,377,304,591.88/127,131.96
  6. Step 6: Final answer
    x = 97,357.93

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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.