Home / 196,412.50-271,036.49-115,821.55

Finding the Fourth Proportional to 196,412.50, 271,036.49 and 115,821.55

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Solution

The fourth proportional to 196,412.50, 271,036.49 and 115,821.55 is: 159,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,412.50 : 271,036.49 = 115,821.55 : x
  2. Step 2: Convert to fraction form
    196,412.50/271,036.49 = 115,821.55/x
  3. Step 3: Cross multiply
    196,412.50x = 271,036.49 × 115,821.55
  4. Step 4: Simplify right side
    196,412.50x = 31,391,866,378.36
  5. Step 5: Solve for x
    x = 31,391,866,378.36/196,412.50
  6. Step 6: Final answer
    x = 159,826.21

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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.