Home / 204,587.43-282,319.54-112,688.83

Finding the Fourth Proportional to 204,587.43, 282,319.54 and 112,688.83

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Solution

The fourth proportional to 204,587.43, 282,319.54 and 112,688.83 is: 155,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,587.43 : 282,319.54 = 112,688.83 : x
  2. Step 2: Convert to fraction form
    204,587.43/282,319.54 = 112,688.83/x
  3. Step 3: Cross multiply
    204,587.43x = 282,319.54 × 112,688.83
  4. Step 4: Simplify right side
    204,587.43x = 31,814,258,648.74
  5. Step 5: Solve for x
    x = 31,814,258,648.74/204,587.43
  6. Step 6: Final answer
    x = 155,504.46

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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.