Home / 343,808.16-474,447.76-190,837.36

Finding the Fourth Proportional to 343,808.16, 474,447.76 and 190,837.36

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Solution

The fourth proportional to 343,808.16, 474,447.76 and 190,837.36 is: 263,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,808.16 : 474,447.76 = 190,837.36 : x
  2. Step 2: Convert to fraction form
    343,808.16/474,447.76 = 190,837.36/x
  3. Step 3: Cross multiply
    343,808.16x = 474,447.76 × 190,837.36
  4. Step 4: Simplify right side
    343,808.16x = 90,542,357,976.31
  5. Step 5: Solve for x
    x = 90,542,357,976.31/343,808.16
  6. Step 6: Final answer
    x = 263,351.39

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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.