Home / 126,835.75-175,031.19-70,245.91

Finding the Fourth Proportional to 126,835.75, 175,031.19 and 70,245.91

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Solution

The fourth proportional to 126,835.75, 175,031.19 and 70,245.91 is: 96,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,835.75 : 175,031.19 = 70,245.91 : x
  2. Step 2: Convert to fraction form
    126,835.75/175,031.19 = 70,245.91/x
  3. Step 3: Cross multiply
    126,835.75x = 175,031.19 × 70,245.91
  4. Step 4: Simplify right side
    126,835.75x = 12,295,225,219.93
  5. Step 5: Solve for x
    x = 12,295,225,219.93/126,835.75
  6. Step 6: Final answer
    x = 96,938.17

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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.