Home / 202,175.12-279,001.73-111,531.33

Finding the Fourth Proportional to 202,175.12, 279,001.73 and 111,531.33

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Solution

The fourth proportional to 202,175.12, 279,001.73 and 111,531.33 is: 153,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,175.12 : 279,001.73 = 111,531.33 : x
  2. Step 2: Convert to fraction form
    202,175.12/279,001.73 = 111,531.33/x
  3. Step 3: Cross multiply
    202,175.12x = 279,001.73 × 111,531.33
  4. Step 4: Simplify right side
    202,175.12x = 31,117,434,298.03
  5. Step 5: Solve for x
    x = 31,117,434,298.03/202,175.12
  6. Step 6: Final answer
    x = 153,913.27

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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.