Home / 343,809.16-474,449.14-190,838.36

Finding the Fourth Proportional to 343,809.16, 474,449.14 and 190,838.36

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Solution

The fourth proportional to 343,809.16, 474,449.14 and 190,838.36 is: 263,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,809.16 : 474,449.14 = 190,838.36 : x
  2. Step 2: Convert to fraction form
    343,809.16/474,449.14 = 190,838.36/x
  3. Step 3: Cross multiply
    343,809.16x = 474,449.14 × 190,838.36
  4. Step 4: Simplify right side
    343,809.16x = 90,543,095,781.01
  5. Step 5: Solve for x
    x = 90,543,095,781.01/343,809.16
  6. Step 6: Final answer
    x = 263,352.77

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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.