Home / 305,888.07-458,314.30-187,311.76

Finding the Fourth Proportional to 305,888.07, 458,314.30 and 187,311.76

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Solution

The fourth proportional to 305,888.07, 458,314.30 and 187,311.76 is: 280,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,888.07 : 458,314.30 = 187,311.76 : x
  2. Step 2: Convert to fraction form
    305,888.07/458,314.30 = 187,311.76/x
  3. Step 3: Cross multiply
    305,888.07x = 458,314.30 × 187,311.76
  4. Step 4: Simplify right side
    305,888.07x = 85,847,658,166.17
  5. Step 5: Solve for x
    x = 85,847,658,166.17/305,888.07
  6. Step 6: Final answer
    x = 280,650.56

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1.5x scale

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.