Home / 173,191.12-238,985.50-100,579.84

Finding the Fourth Proportional to 173,191.12, 238,985.50 and 100,579.84

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Solution

The fourth proportional to 173,191.12, 238,985.50 and 100,579.84 is: 138,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,191.12 : 238,985.50 = 100,579.84 : x
  2. Step 2: Convert to fraction form
    173,191.12/238,985.50 = 100,579.84/x
  3. Step 3: Cross multiply
    173,191.12x = 238,985.50 × 100,579.84
  4. Step 4: Simplify right side
    173,191.12x = 24,037,123,352.32
  5. Step 5: Solve for x
    x = 24,037,123,352.32/173,191.12
  6. Step 6: Final answer
    x = 138,789.58

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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.