Home / 127,091.96-175,407.93-70,521.56

Finding the Fourth Proportional to 127,091.96, 175,407.93 and 70,521.56

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Solution

The fourth proportional to 127,091.96, 175,407.93 and 70,521.56 is: 97,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,091.96 : 175,407.93 = 70,521.56 : x
  2. Step 2: Convert to fraction form
    127,091.96/175,407.93 = 70,521.56/x
  3. Step 3: Cross multiply
    127,091.96x = 175,407.93 × 70,521.56
  4. Step 4: Simplify right side
    127,091.96x = 12,370,040,859.97
  5. Step 5: Solve for x
    x = 12,370,040,859.97/127,091.96
  6. Step 6: Final answer
    x = 97,331.42

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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.