Home / 205,150.79-282,884.86-133,397.75

Finding the Fourth Proportional to 205,150.79, 282,884.86 and 133,397.75

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Solution

The fourth proportional to 205,150.79, 282,884.86 and 133,397.75 is: 183,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,150.79 : 282,884.86 = 133,397.75 : x
  2. Step 2: Convert to fraction form
    205,150.79/282,884.86 = 133,397.75/x
  3. Step 3: Cross multiply
    205,150.79x = 282,884.86 × 133,397.75
  4. Step 4: Simplify right side
    205,150.79x = 37,736,203,833.07
  5. Step 5: Solve for x
    x = 37,736,203,833.07/205,150.79
  6. Step 6: Final answer
    x = 183,943.74

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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.