Home / 268,133.67-369,934.42-151,831.31

Finding the Fourth Proportional to 268,133.67, 369,934.42 and 151,831.31

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Solution

The fourth proportional to 268,133.67, 369,934.42 and 151,831.31 is: 209,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,133.67 : 369,934.42 = 151,831.31 : x
  2. Step 2: Convert to fraction form
    268,133.67/369,934.42 = 151,831.31/x
  3. Step 3: Cross multiply
    268,133.67x = 369,934.42 × 151,831.31
  4. Step 4: Simplify right side
    268,133.67x = 56,167,627,602.69
  5. Step 5: Solve for x
    x = 56,167,627,602.69/268,133.67
  6. Step 6: Final answer
    x = 209,476.22

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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.