Home / 147,006.90-202,983.57-112,961.52

Finding the Fourth Proportional to 147,006.90, 202,983.57 and 112,961.52

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Solution

The fourth proportional to 147,006.90, 202,983.57 and 112,961.52 is: 155,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,006.90 : 202,983.57 = 112,961.52 : x
  2. Step 2: Convert to fraction form
    147,006.90/202,983.57 = 112,961.52/x
  3. Step 3: Cross multiply
    147,006.90x = 202,983.57 × 112,961.52
  4. Step 4: Simplify right side
    147,006.90x = 22,929,332,602.23
  5. Step 5: Solve for x
    x = 22,929,332,602.23/147,006.90
  6. Step 6: Final answer
    x = 155,974.53

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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.