Home / 172,636.72-238,221.64-96,153.20

Finding the Fourth Proportional to 172,636.72, 238,221.64 and 96,153.20

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Solution

The fourth proportional to 172,636.72, 238,221.64 and 96,153.20 is: 132,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,636.72 : 238,221.64 = 96,153.20 : x
  2. Step 2: Convert to fraction form
    172,636.72/238,221.64 = 96,153.20/x
  3. Step 3: Cross multiply
    172,636.72x = 238,221.64 × 96,153.20
  4. Step 4: Simplify right side
    172,636.72x = 22,905,772,995.25
  5. Step 5: Solve for x
    x = 22,905,772,995.25/172,636.72
  6. Step 6: Final answer
    x = 132,681.93

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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.