Home / 131,723.04-181,776.20-71,292.24

Finding the Fourth Proportional to 131,723.04, 181,776.20 and 71,292.24

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Solution

The fourth proportional to 131,723.04, 181,776.20 and 71,292.24 is: 98,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.04 : 181,776.20 = 71,292.24 : x
  2. Step 2: Convert to fraction form
    131,723.04/181,776.20 = 71,292.24/x
  3. Step 3: Cross multiply
    131,723.04x = 181,776.20 × 71,292.24
  4. Step 4: Simplify right side
    131,723.04x = 12,959,232,476.69
  5. Step 5: Solve for x
    x = 12,959,232,476.69/131,723.04
  6. Step 6: Final answer
    x = 98,382.43

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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.