Home / 345,935.77-477,390.57-195,031.69

Finding the Fourth Proportional to 345,935.77, 477,390.57 and 195,031.69

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Solution

The fourth proportional to 345,935.77, 477,390.57 and 195,031.69 is: 269,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,935.77 : 477,390.57 = 195,031.69 : x
  2. Step 2: Convert to fraction form
    345,935.77/477,390.57 = 195,031.69/x
  3. Step 3: Cross multiply
    345,935.77x = 477,390.57 × 195,031.69
  4. Step 4: Simplify right side
    345,935.77x = 93,106,289,657.16
  5. Step 5: Solve for x
    x = 93,106,289,657.16/345,935.77
  6. Step 6: Final answer
    x = 269,143.29

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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.