Home / 226,733.32-312,883.62-126,129.16

Finding the Fourth Proportional to 226,733.32, 312,883.62 and 126,129.16

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Solution

The fourth proportional to 226,733.32, 312,883.62 and 126,129.16 is: 174,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,733.32 : 312,883.62 = 126,129.16 : x
  2. Step 2: Convert to fraction form
    226,733.32/312,883.62 = 126,129.16/x
  3. Step 3: Cross multiply
    226,733.32x = 312,883.62 × 126,129.16
  4. Step 4: Simplify right side
    226,733.32x = 39,463,748,168.36
  5. Step 5: Solve for x
    x = 39,463,748,168.36/226,733.32
  6. Step 6: Final answer
    x = 174,053.59

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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.