Home / 126,923.52-175,140-70,320.48

Finding the Fourth Proportional to 126,923.52, 175,140 and 70,320.48

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Solution

The fourth proportional to 126,923.52, 175,140 and 70,320.48 is: 97,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,923.52 : 175,140 = 70,320.48 : x
  2. Step 2: Convert to fraction form
    126,923.52/175,140 = 70,320.48/x
  3. Step 3: Cross multiply
    126,923.52x = 175,140 × 70,320.48
  4. Step 4: Simplify right side
    126,923.52x = 12,315,928,867.20
  5. Step 5: Solve for x
    x = 12,315,928,867.20/126,923.52
  6. Step 6: Final answer
    x = 97,034.25

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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.