Home / 196,254.15-270,815.28-111,371.22

Finding the Fourth Proportional to 196,254.15, 270,815.28 and 111,371.22

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Solution

The fourth proportional to 196,254.15, 270,815.28 and 111,371.22 is: 153,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254.15 : 270,815.28 = 111,371.22 : x
  2. Step 2: Convert to fraction form
    196,254.15/270,815.28 = 111,371.22/x
  3. Step 3: Cross multiply
    196,254.15x = 270,815.28 × 111,371.22
  4. Step 4: Simplify right side
    196,254.15x = 30,161,028,128.24
  5. Step 5: Solve for x
    x = 30,161,028,128.24/196,254.15
  6. Step 6: Final answer
    x = 153,683.52

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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.