Home / 202,199.35-279,033.15-111,556.04

Finding the Fourth Proportional to 202,199.35, 279,033.15 and 111,556.04

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Solution

The fourth proportional to 202,199.35, 279,033.15 and 111,556.04 is: 153,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,199.35 : 279,033.15 = 111,556.04 : x
  2. Step 2: Convert to fraction form
    202,199.35/279,033.15 = 111,556.04/x
  3. Step 3: Cross multiply
    202,199.35x = 279,033.15 × 111,556.04
  4. Step 4: Simplify right side
    202,199.35x = 31,127,833,242.73
  5. Step 5: Solve for x
    x = 31,127,833,242.73/202,199.35
  6. Step 6: Final answer
    x = 153,946.26

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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.