Home / 268,734.42-403,056.18-76,595.22

Finding the Fourth Proportional to 268,734.42, 403,056.18 and 76,595.22

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Solution

The fourth proportional to 268,734.42, 403,056.18 and 76,595.22 is: 114,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,734.42 : 403,056.18 = 76,595.22 : x
  2. Step 2: Convert to fraction form
    268,734.42/403,056.18 = 76,595.22/x
  3. Step 3: Cross multiply
    268,734.42x = 403,056.18 × 76,595.22
  4. Step 4: Simplify right side
    268,734.42x = 30,872,176,779.46
  5. Step 5: Solve for x
    x = 30,872,176,779.46/268,734.42
  6. Step 6: Final answer
    x = 114,879.88

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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.