Home / 172,209.78-237,633.75-99,594.09

Finding the Fourth Proportional to 172,209.78, 237,633.75 and 99,594.09

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Solution

The fourth proportional to 172,209.78, 237,633.75 and 99,594.09 is: 137,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,209.78 : 237,633.75 = 99,594.09 : x
  2. Step 2: Convert to fraction form
    172,209.78/237,633.75 = 99,594.09/x
  3. Step 3: Cross multiply
    172,209.78x = 237,633.75 × 99,594.09
  4. Step 4: Simplify right side
    172,209.78x = 23,666,917,084.54
  5. Step 5: Solve for x
    x = 23,666,917,084.54/172,209.78
  6. Step 6: Final answer
    x = 137,430.74

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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.