Home / 204,780.75-282,574.07-118,721.79

Finding the Fourth Proportional to 204,780.75, 282,574.07 and 118,721.79

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Solution

The fourth proportional to 204,780.75, 282,574.07 and 118,721.79 is: 163,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,780.75 : 282,574.07 = 118,721.79 : x
  2. Step 2: Convert to fraction form
    204,780.75/282,574.07 = 118,721.79/x
  3. Step 3: Cross multiply
    204,780.75x = 282,574.07 × 118,721.79
  4. Step 4: Simplify right side
    204,780.75x = 33,547,697,985.12
  5. Step 5: Solve for x
    x = 33,547,697,985.12/204,780.75
  6. Step 6: Final answer
    x = 163,822.52

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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.