Home / 345,031.13-476,071.26-201,763.46

Finding the Fourth Proportional to 345,031.13, 476,071.26 and 201,763.46

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Solution

The fourth proportional to 345,031.13, 476,071.26 and 201,763.46 is: 278,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,031.13 : 476,071.26 = 201,763.46 : x
  2. Step 2: Convert to fraction form
    345,031.13/476,071.26 = 201,763.46/x
  3. Step 3: Cross multiply
    345,031.13x = 476,071.26 × 201,763.46
  4. Step 4: Simplify right side
    345,031.13x = 96,053,782,243.80
  5. Step 5: Solve for x
    x = 96,053,782,243.80/345,031.13
  6. Step 6: Final answer
    x = 278,391.64

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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.