Home / 126,313.32-174,313.82-69,724.72

Finding the Fourth Proportional to 126,313.32, 174,313.82 and 69,724.72

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Solution

The fourth proportional to 126,313.32, 174,313.82 and 69,724.72 is: 96,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.32 : 174,313.82 = 69,724.72 : x
  2. Step 2: Convert to fraction form
    126,313.32/174,313.82 = 69,724.72/x
  3. Step 3: Cross multiply
    126,313.32x = 174,313.82 × 69,724.72
  4. Step 4: Simplify right side
    126,313.32x = 12,153,982,291.63
  5. Step 5: Solve for x
    x = 12,153,982,291.63/126,313.32
  6. Step 6: Final answer
    x = 96,220.91

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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.