Home / 126,830.24-175,027.20-70,242.56

Finding the Fourth Proportional to 126,830.24, 175,027.20 and 70,242.56

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Solution

The fourth proportional to 126,830.24, 175,027.20 and 70,242.56 is: 96,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830.24 : 175,027.20 = 70,242.56 : x
  2. Step 2: Convert to fraction form
    126,830.24/175,027.20 = 70,242.56/x
  3. Step 3: Cross multiply
    126,830.24x = 175,027.20 × 70,242.56
  4. Step 4: Simplify right side
    126,830.24x = 12,294,358,597.63
  5. Step 5: Solve for x
    x = 12,294,358,597.63/126,830.24
  6. Step 6: Final answer
    x = 96,935.55

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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.