Home / 201,521.60-277,911.02-125,053.10

Finding the Fourth Proportional to 201,521.60, 277,911.02 and 125,053.10

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Solution

The fourth proportional to 201,521.60, 277,911.02 and 125,053.10 is: 172,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,521.60 : 277,911.02 = 125,053.10 : x
  2. Step 2: Convert to fraction form
    201,521.60/277,911.02 = 125,053.10/x
  3. Step 3: Cross multiply
    201,521.60x = 277,911.02 × 125,053.10
  4. Step 4: Simplify right side
    201,521.60x = 34,753,633,949.90
  5. Step 5: Solve for x
    x = 34,753,633,949.90/201,521.60
  6. Step 6: Final answer
    x = 172,456.12

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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.