Home / 343,834.03-474,483.45-190,863.28

Finding the Fourth Proportional to 343,834.03, 474,483.45 and 190,863.28

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Solution

The fourth proportional to 343,834.03, 474,483.45 and 190,863.28 is: 263,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,834.03 : 474,483.45 = 190,863.28 : x
  2. Step 2: Convert to fraction form
    343,834.03/474,483.45 = 190,863.28/x
  3. Step 3: Cross multiply
    343,834.03x = 474,483.45 × 190,863.28
  4. Step 4: Simplify right side
    343,834.03x = 90,561,467,572.72
  5. Step 5: Solve for x
    x = 90,561,467,572.72/343,834.03
  6. Step 6: Final answer
    x = 263,387.16

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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.