Home / 172,186.31-258,282.06-65,576.16

Finding the Fourth Proportional to 172,186.31, 258,282.06 and 65,576.16

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Solution

The fourth proportional to 172,186.31, 258,282.06 and 65,576.16 is: 98,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,186.31 : 258,282.06 = 65,576.16 : x
  2. Step 2: Convert to fraction form
    172,186.31/258,282.06 = 65,576.16/x
  3. Step 3: Cross multiply
    172,186.31x = 258,282.06 × 65,576.16
  4. Step 4: Simplify right side
    172,186.31x = 16,937,146,501.34
  5. Step 5: Solve for x
    x = 16,937,146,501.34/172,186.31
  6. Step 6: Final answer
    x = 98,365.23

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1.5x scale

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.