Home / 202,197.15-279,030.14-111,553.85

Finding the Fourth Proportional to 202,197.15, 279,030.14 and 111,553.85

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Solution

The fourth proportional to 202,197.15, 279,030.14 and 111,553.85 is: 153,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,197.15 : 279,030.14 = 111,553.85 : x
  2. Step 2: Convert to fraction form
    202,197.15/279,030.14 = 111,553.85/x
  3. Step 3: Cross multiply
    202,197.15x = 279,030.14 × 111,553.85
  4. Step 4: Simplify right side
    202,197.15x = 31,126,886,383.04
  5. Step 5: Solve for x
    x = 31,126,886,383.04/202,197.15
  6. Step 6: Final answer
    x = 153,943.25

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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.