Home / 112,207.40-168,375.90-42,093.80

Finding the Fourth Proportional to 112,207.40, 168,375.90 and 42,093.80

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Solution

The fourth proportional to 112,207.40, 168,375.90 and 42,093.80 is: 63,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.40 : 168,375.90 = 42,093.80 : x
  2. Step 2: Convert to fraction form
    112,207.40/168,375.90 = 42,093.80/x
  3. Step 3: Cross multiply
    112,207.40x = 168,375.90 × 42,093.80
  4. Step 4: Simplify right side
    112,207.40x = 7,087,581,459.42
  5. Step 5: Solve for x
    x = 7,087,581,459.42/112,207.40
  6. Step 6: Final answer
    x = 63,165.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.