Home / 345,079.13-476,196.74-192,113.38

Finding the Fourth Proportional to 345,079.13, 476,196.74 and 192,113.38

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Solution

The fourth proportional to 345,079.13, 476,196.74 and 192,113.38 is: 265,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,079.13 : 476,196.74 = 192,113.38 : x
  2. Step 2: Convert to fraction form
    345,079.13/476,196.74 = 192,113.38/x
  3. Step 3: Cross multiply
    345,079.13x = 476,196.74 × 192,113.38
  4. Step 4: Simplify right side
    345,079.13x = 91,483,767,145.81
  5. Step 5: Solve for x
    x = 91,483,767,145.81/345,079.13
  6. Step 6: Final answer
    x = 265,109.54

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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.