Home / 173,069.02-238,857.15-100,456.39

Finding the Fourth Proportional to 173,069.02, 238,857.15 and 100,456.39

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Solution

The fourth proportional to 173,069.02, 238,857.15 and 100,456.39 is: 138,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,069.02 : 238,857.15 = 100,456.39 : x
  2. Step 2: Convert to fraction form
    173,069.02/238,857.15 = 100,456.39/x
  3. Step 3: Cross multiply
    173,069.02x = 238,857.15 × 100,456.39
  4. Step 4: Simplify right side
    173,069.02x = 23,994,727,014.69
  5. Step 5: Solve for x
    x = 23,994,727,014.69/173,069.02
  6. Step 6: Final answer
    x = 138,642.53

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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.