Home / 198,053.78-273,300.09-112,012.34

Finding the Fourth Proportional to 198,053.78, 273,300.09 and 112,012.34

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Solution

The fourth proportional to 198,053.78, 273,300.09 and 112,012.34 is: 154,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,053.78 : 273,300.09 = 112,012.34 : x
  2. Step 2: Convert to fraction form
    198,053.78/273,300.09 = 112,012.34/x
  3. Step 3: Cross multiply
    198,053.78x = 273,300.09 × 112,012.34
  4. Step 4: Simplify right side
    198,053.78x = 30,612,982,603.11
  5. Step 5: Solve for x
    x = 30,612,982,603.11/198,053.78
  6. Step 6: Final answer
    x = 154,569.04

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1.5x scale

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.