Home / 115,146.41-172,725.80-36,266.81

Finding the Fourth Proportional to 115,146.41, 172,725.80 and 36,266.81

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Solution

The fourth proportional to 115,146.41, 172,725.80 and 36,266.81 is: 54,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,146.41 : 172,725.80 = 36,266.81 : x
  2. Step 2: Convert to fraction form
    115,146.41/172,725.80 = 36,266.81/x
  3. Step 3: Cross multiply
    115,146.41x = 172,725.80 × 36,266.81
  4. Step 4: Simplify right side
    115,146.41x = 6,264,212,725.73
  5. Step 5: Solve for x
    x = 6,264,212,725.73/115,146.41
  6. Step 6: Final answer
    x = 54,402.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.