Home / 127,110.70-175,409.42-69,749.84

Finding the Fourth Proportional to 127,110.70, 175,409.42 and 69,749.84

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Solution

The fourth proportional to 127,110.70, 175,409.42 and 69,749.84 is: 96,252.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,110.70 : 175,409.42 = 69,749.84 : x
  2. Step 2: Convert to fraction form
    127,110.70/175,409.42 = 69,749.84/x
  3. Step 3: Cross multiply
    127,110.70x = 175,409.42 × 69,749.84
  4. Step 4: Simplify right side
    127,110.70x = 12,234,778,630.74
  5. Step 5: Solve for x
    x = 12,234,778,630.74/127,110.70
  6. Step 6: Final answer
    x = 96,252.94

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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.