Home / 173,000.95-238,747.20-100,398.26

Finding the Fourth Proportional to 173,000.95, 238,747.20 and 100,398.26

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Solution

The fourth proportional to 173,000.95, 238,747.20 and 100,398.26 is: 138,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,000.95 : 238,747.20 = 100,398.26 : x
  2. Step 2: Convert to fraction form
    173,000.95/238,747.20 = 100,398.26/x
  3. Step 3: Cross multiply
    173,000.95x = 238,747.20 × 100,398.26
  4. Step 4: Simplify right side
    173,000.95x = 23,969,802,266.14
  5. Step 5: Solve for x
    x = 23,969,802,266.14/173,000.95
  6. Step 6: Final answer
    x = 138,553.01

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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.