Home / 172,681.26-238,309.47-97,236.78

Finding the Fourth Proportional to 172,681.26, 238,309.47 and 97,236.78

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Solution

The fourth proportional to 172,681.26, 238,309.47 and 97,236.78 is: 134,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,681.26 : 238,309.47 = 97,236.78 : x
  2. Step 2: Convert to fraction form
    172,681.26/238,309.47 = 97,236.78/x
  3. Step 3: Cross multiply
    172,681.26x = 238,309.47 × 97,236.78
  4. Step 4: Simplify right side
    172,681.26x = 23,172,445,506.31
  5. Step 5: Solve for x
    x = 23,172,445,506.31/172,681.26
  6. Step 6: Final answer
    x = 134,192.01

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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.