Home / 192,821.36-266,108.85-142,065.95

Finding the Fourth Proportional to 192,821.36, 266,108.85 and 142,065.95

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Solution

The fourth proportional to 192,821.36, 266,108.85 and 142,065.95 is: 196,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,821.36 : 266,108.85 = 142,065.95 : x
  2. Step 2: Convert to fraction form
    192,821.36/266,108.85 = 142,065.95/x
  3. Step 3: Cross multiply
    192,821.36x = 266,108.85 × 142,065.95
  4. Step 4: Simplify right side
    192,821.36x = 37,805,005,248.11
  5. Step 5: Solve for x
    x = 37,805,005,248.11/192,821.36
  6. Step 6: Final answer
    x = 196,062.34

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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.