Home / 223,523.36-308,440.16-126,708.12

Finding the Fourth Proportional to 223,523.36, 308,440.16 and 126,708.12

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Solution

The fourth proportional to 223,523.36, 308,440.16 and 126,708.12 is: 174,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,523.36 : 308,440.16 = 126,708.12 : x
  2. Step 2: Convert to fraction form
    223,523.36/308,440.16 = 126,708.12/x
  3. Step 3: Cross multiply
    223,523.36x = 308,440.16 × 126,708.12
  4. Step 4: Simplify right side
    223,523.36x = 39,081,872,806.10
  5. Step 5: Solve for x
    x = 39,081,872,806.10/223,523.36
  6. Step 6: Final answer
    x = 174,844.69

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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.