Home / 153,325.71-229,682.39-121,789.17

Finding the Fourth Proportional to 153,325.71, 229,682.39 and 121,789.17

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Solution

The fourth proportional to 153,325.71, 229,682.39 and 121,789.17 is: 182,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,325.71 : 229,682.39 = 121,789.17 : x
  2. Step 2: Convert to fraction form
    153,325.71/229,682.39 = 121,789.17/x
  3. Step 3: Cross multiply
    153,325.71x = 229,682.39 × 121,789.17
  4. Step 4: Simplify right side
    153,325.71x = 27,972,827,032.77
  5. Step 5: Solve for x
    x = 27,972,827,032.77/153,325.71
  6. Step 6: Final answer
    x = 182,440.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.