Home / 131,684.19-181,725.51-71,256.02

Finding the Fourth Proportional to 131,684.19, 181,725.51 and 71,256.02

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Solution

The fourth proportional to 131,684.19, 181,725.51 and 71,256.02 is: 98,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,684.19 : 181,725.51 = 71,256.02 : x
  2. Step 2: Convert to fraction form
    131,684.19/181,725.51 = 71,256.02/x
  3. Step 3: Cross multiply
    131,684.19x = 181,725.51 × 71,256.02
  4. Step 4: Simplify right side
    131,684.19x = 12,949,035,310.16
  5. Step 5: Solve for x
    x = 12,949,035,310.16/131,684.19
  6. Step 6: Final answer
    x = 98,334.02

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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.