Home / 126,907.24-175,129.38-70,318.12

Finding the Fourth Proportional to 126,907.24, 175,129.38 and 70,318.12

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Solution

The fourth proportional to 126,907.24, 175,129.38 and 70,318.12 is: 97,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,907.24 : 175,129.38 = 70,318.12 : x
  2. Step 2: Convert to fraction form
    126,907.24/175,129.38 = 70,318.12/x
  3. Step 3: Cross multiply
    126,907.24x = 175,129.38 × 70,318.12
  4. Step 4: Simplify right side
    126,907.24x = 12,314,768,758.37
  5. Step 5: Solve for x
    x = 12,314,768,758.37/126,907.24
  6. Step 6: Final answer
    x = 97,037.56

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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.