Home / 126,857.36-175,063.38-70,267.52

Finding the Fourth Proportional to 126,857.36, 175,063.38 and 70,267.52

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Solution

The fourth proportional to 126,857.36, 175,063.38 and 70,267.52 is: 96,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,857.36 : 175,063.38 = 70,267.52 : x
  2. Step 2: Convert to fraction form
    126,857.36/175,063.38 = 70,267.52/x
  3. Step 3: Cross multiply
    126,857.36x = 175,063.38 × 70,267.52
  4. Step 4: Simplify right side
    126,857.36x = 12,301,269,555.42
  5. Step 5: Solve for x
    x = 12,301,269,555.42/126,857.36
  6. Step 6: Final answer
    x = 96,969.30

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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.