Home / 204,557.81-282,296.20-112,683.76

Finding the Fourth Proportional to 204,557.81, 282,296.20 and 112,683.76

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Solution

The fourth proportional to 204,557.81, 282,296.20 and 112,683.76 is: 155,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,557.81 : 282,296.20 = 112,683.76 : x
  2. Step 2: Convert to fraction form
    204,557.81/282,296.20 = 112,683.76/x
  3. Step 3: Cross multiply
    204,557.81x = 282,296.20 × 112,683.76
  4. Step 4: Simplify right side
    204,557.81x = 31,810,196,262.26
  5. Step 5: Solve for x
    x = 31,810,196,262.26/204,557.81
  6. Step 6: Final answer
    x = 155,507.13

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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.