Home / 131,696.01-181,740.98-71,266.65

Finding the Fourth Proportional to 131,696.01, 181,740.98 and 71,266.65

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Solution

The fourth proportional to 131,696.01, 181,740.98 and 71,266.65 is: 98,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,696.01 : 181,740.98 = 71,266.65 : x
  2. Step 2: Convert to fraction form
    131,696.01/181,740.98 = 71,266.65/x
  3. Step 3: Cross multiply
    131,696.01x = 181,740.98 × 71,266.65
  4. Step 4: Simplify right side
    131,696.01x = 12,952,070,455.98
  5. Step 5: Solve for x
    x = 12,952,070,455.98/131,696.01
  6. Step 6: Final answer
    x = 98,348.24

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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.