Home / 171,635.29-236,807.82-100,001.45

Finding the Fourth Proportional to 171,635.29, 236,807.82 and 100,001.45

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Solution

The fourth proportional to 171,635.29, 236,807.82 and 100,001.45 is: 137,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,635.29 : 236,807.82 = 100,001.45 : x
  2. Step 2: Convert to fraction form
    171,635.29/236,807.82 = 100,001.45/x
  3. Step 3: Cross multiply
    171,635.29x = 236,807.82 × 100,001.45
  4. Step 4: Simplify right side
    171,635.29x = 23,681,125,963.36
  5. Step 5: Solve for x
    x = 23,681,125,963.36/171,635.29
  6. Step 6: Final answer
    x = 137,973.53

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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.