Home / 235,261.70-324,663.13-127,831.74

Finding the Fourth Proportional to 235,261.70, 324,663.13 and 127,831.74

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Solution

The fourth proportional to 235,261.70, 324,663.13 and 127,831.74 is: 176,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,261.70 : 324,663.13 = 127,831.74 : x
  2. Step 2: Convert to fraction form
    235,261.70/324,663.13 = 127,831.74/x
  3. Step 3: Cross multiply
    235,261.70x = 324,663.13 × 127,831.74
  4. Step 4: Simplify right side
    235,261.70x = 41,502,252,821.75
  5. Step 5: Solve for x
    x = 41,502,252,821.75/235,261.70
  6. Step 6: Final answer
    x = 176,408.88

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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.