Home / 127,115.82-175,419.27-70,527.06

Finding the Fourth Proportional to 127,115.82, 175,419.27 and 70,527.06

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Solution

The fourth proportional to 127,115.82, 175,419.27 and 70,527.06 is: 97,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.82 : 175,419.27 = 70,527.06 : x
  2. Step 2: Convert to fraction form
    127,115.82/175,419.27 = 70,527.06/x
  3. Step 3: Cross multiply
    127,115.82x = 175,419.27 × 70,527.06
  4. Step 4: Simplify right side
    127,115.82x = 12,371,805,380.45
  5. Step 5: Solve for x
    x = 12,371,805,380.45/127,115.82
  6. Step 6: Final answer
    x = 97,327.03

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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.