Home / 204,979.41-282,878.60-118,931.90

Finding the Fourth Proportional to 204,979.41, 282,878.60 and 118,931.90

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Solution

The fourth proportional to 204,979.41, 282,878.60 and 118,931.90 is: 164,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,979.41 : 282,878.60 = 118,931.90 : x
  2. Step 2: Convert to fraction form
    204,979.41/282,878.60 = 118,931.90/x
  3. Step 3: Cross multiply
    204,979.41x = 282,878.60 × 118,931.90
  4. Step 4: Simplify right side
    204,979.41x = 33,643,287,358.29
  5. Step 5: Solve for x
    x = 33,643,287,358.29/204,979.41
  6. Step 6: Final answer
    x = 164,130.08

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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.