Home / 127,278.60-175,663.62-91,586.76

Finding the Fourth Proportional to 127,278.60, 175,663.62 and 91,586.76

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Solution

The fourth proportional to 127,278.60, 175,663.62 and 91,586.76 is: 126,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.60 : 175,663.62 = 91,586.76 : x
  2. Step 2: Convert to fraction form
    127,278.60/175,663.62 = 91,586.76/x
  3. Step 3: Cross multiply
    127,278.60x = 175,663.62 × 91,586.76
  4. Step 4: Simplify right side
    127,278.60x = 16,088,461,805.67
  5. Step 5: Solve for x
    x = 16,088,461,805.67/127,278.60
  6. Step 6: Final answer
    x = 126,403.51

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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.