Home / 225,929-338,657.03-76,117.53

Finding the Fourth Proportional to 225,929, 338,657.03 and 76,117.53

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Solution

The fourth proportional to 225,929, 338,657.03 and 76,117.53 is: 114,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929 : 338,657.03 = 76,117.53 : x
  2. Step 2: Convert to fraction form
    225,929/338,657.03 = 76,117.53/x
  3. Step 3: Cross multiply
    225,929x = 338,657.03 × 76,117.53
  4. Step 4: Simplify right side
    225,929x = 25,777,736,640.74
  5. Step 5: Solve for x
    x = 25,777,736,640.74/225,929
  6. Step 6: Final answer
    x = 114,096.63

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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.