Home / 256,014.12-383,987.46-76,095.72

Finding the Fourth Proportional to 256,014.12, 383,987.46 and 76,095.72

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Solution

The fourth proportional to 256,014.12, 383,987.46 and 76,095.72 is: 114,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,014.12 : 383,987.46 = 76,095.72 : x
  2. Step 2: Convert to fraction form
    256,014.12/383,987.46 = 76,095.72/x
  3. Step 3: Cross multiply
    256,014.12x = 383,987.46 × 76,095.72
  4. Step 4: Simplify right side
    256,014.12x = 29,219,802,239.67
  5. Step 5: Solve for x
    x = 29,219,802,239.67/256,014.12
  6. Step 6: Final answer
    x = 114,133.56

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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.