Home / 172,239.36-237,678.48-96,799.20

Finding the Fourth Proportional to 172,239.36, 237,678.48 and 96,799.20

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Solution

The fourth proportional to 172,239.36, 237,678.48 and 96,799.20 is: 133,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,239.36 : 237,678.48 = 96,799.20 : x
  2. Step 2: Convert to fraction form
    172,239.36/237,678.48 = 96,799.20/x
  3. Step 3: Cross multiply
    172,239.36x = 237,678.48 × 96,799.20
  4. Step 4: Simplify right side
    172,239.36x = 23,007,086,721.22
  5. Step 5: Solve for x
    x = 23,007,086,721.22/172,239.36
  6. Step 6: Final answer
    x = 133,576.24

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1.5x scale

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.