Home / 131,293.16-181,184.10-71,677.16

Finding the Fourth Proportional to 131,293.16, 181,184.10 and 71,677.16

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Solution

The fourth proportional to 131,293.16, 181,184.10 and 71,677.16 is: 98,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293.16 : 181,184.10 = 71,677.16 : x
  2. Step 2: Convert to fraction form
    131,293.16/181,184.10 = 71,677.16/x
  3. Step 3: Cross multiply
    131,293.16x = 181,184.10 × 71,677.16
  4. Step 4: Simplify right side
    131,293.16x = 12,986,761,725.16
  5. Step 5: Solve for x
    x = 12,986,761,725.16/131,293.16
  6. Step 6: Final answer
    x = 98,914.23

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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.