Home / 127,276.75-175,645.56-70,691.77

Finding the Fourth Proportional to 127,276.75, 175,645.56 and 70,691.77

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Solution

The fourth proportional to 127,276.75, 175,645.56 and 70,691.77 is: 97,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.75 : 175,645.56 = 70,691.77 : x
  2. Step 2: Convert to fraction form
    127,276.75/175,645.56 = 70,691.77/x
  3. Step 3: Cross multiply
    127,276.75x = 175,645.56 × 70,691.77
  4. Step 4: Simplify right side
    127,276.75x = 12,416,695,529.04
  5. Step 5: Solve for x
    x = 12,416,695,529.04/127,276.75
  6. Step 6: Final answer
    x = 97,556.67

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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.