Home / 263,729.27-363,938.86-154,831.82

Finding the Fourth Proportional to 263,729.27, 363,938.86 and 154,831.82

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Solution

The fourth proportional to 263,729.27, 363,938.86 and 154,831.82 is: 213,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,729.27 : 363,938.86 = 154,831.82 : x
  2. Step 2: Convert to fraction form
    263,729.27/363,938.86 = 154,831.82/x
  3. Step 3: Cross multiply
    263,729.27x = 363,938.86 × 154,831.82
  4. Step 4: Simplify right side
    263,729.27x = 56,349,316,062.53
  5. Step 5: Solve for x
    x = 56,349,316,062.53/263,729.27
  6. Step 6: Final answer
    x = 213,663.49

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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.