Home / 164,231.74-226,768.07-128,523.50

Finding the Fourth Proportional to 164,231.74, 226,768.07 and 128,523.50

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Solution

The fourth proportional to 164,231.74, 226,768.07 and 128,523.50 is: 177,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,231.74 : 226,768.07 = 128,523.50 : x
  2. Step 2: Convert to fraction form
    164,231.74/226,768.07 = 128,523.50/x
  3. Step 3: Cross multiply
    164,231.74x = 226,768.07 × 128,523.50
  4. Step 4: Simplify right side
    164,231.74x = 29,145,026,044.65
  5. Step 5: Solve for x
    x = 29,145,026,044.65/164,231.74
  6. Step 6: Final answer
    x = 177,462.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.