Home / 345,934.77-477,389.20-195,030.69

Finding the Fourth Proportional to 345,934.77, 477,389.20 and 195,030.69

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Solution

The fourth proportional to 345,934.77, 477,389.20 and 195,030.69 is: 269,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,934.77 : 477,389.20 = 195,030.69 : x
  2. Step 2: Convert to fraction form
    345,934.77/477,389.20 = 195,030.69/x
  3. Step 3: Cross multiply
    345,934.77x = 477,389.20 × 195,030.69
  4. Step 4: Simplify right side
    345,934.77x = 93,105,544,099.39
  5. Step 5: Solve for x
    x = 93,105,544,099.39/345,934.77
  6. Step 6: Final answer
    x = 269,141.91

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1.5x scale

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.