Home / 176,378.37-243,170.54-127,278.79

Finding the Fourth Proportional to 176,378.37, 243,170.54 and 127,278.79

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Solution

The fourth proportional to 176,378.37, 243,170.54 and 127,278.79 is: 175,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,378.37 : 243,170.54 = 127,278.79 : x
  2. Step 2: Convert to fraction form
    176,378.37/243,170.54 = 127,278.79/x
  3. Step 3: Cross multiply
    176,378.37x = 243,170.54 × 127,278.79
  4. Step 4: Simplify right side
    176,378.37x = 30,950,451,805.12
  5. Step 5: Solve for x
    x = 30,950,451,805.12/176,378.37
  6. Step 6: Final answer
    x = 175,477.59

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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.