Home / 204,514.58-282,368.66-128,064.35

Finding the Fourth Proportional to 204,514.58, 282,368.66 and 128,064.35

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Solution

The fourth proportional to 204,514.58, 282,368.66 and 128,064.35 is: 176,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,514.58 : 282,368.66 = 128,064.35 : x
  2. Step 2: Convert to fraction form
    204,514.58/282,368.66 = 128,064.35/x
  3. Step 3: Cross multiply
    204,514.58x = 282,368.66 × 128,064.35
  4. Step 4: Simplify right side
    204,514.58x = 36,161,356,851.11
  5. Step 5: Solve for x
    x = 36,161,356,851.11/204,514.58
  6. Step 6: Final answer
    x = 176,815.55

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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.