Home / 202,316.36-279,196.59-111,672.33

Finding the Fourth Proportional to 202,316.36, 279,196.59 and 111,672.33

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Solution

The fourth proportional to 202,316.36, 279,196.59 and 111,672.33 is: 154,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,316.36 : 279,196.59 = 111,672.33 : x
  2. Step 2: Convert to fraction form
    202,316.36/279,196.59 = 111,672.33/x
  3. Step 3: Cross multiply
    202,316.36x = 279,196.59 × 111,672.33
  4. Step 4: Simplify right side
    202,316.36x = 31,178,533,733.35
  5. Step 5: Solve for x
    x = 31,178,533,733.35/202,316.36
  6. Step 6: Final answer
    x = 154,107.83

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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.