Home / 612,824.26-919,384.04-192,100.14

Finding the Fourth Proportional to 612,824.26, 919,384.04 and 192,100.14

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Solution

The fourth proportional to 612,824.26, 919,384.04 and 192,100.14 is: 288,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,824.26 : 919,384.04 = 192,100.14 : x
  2. Step 2: Convert to fraction form
    612,824.26/919,384.04 = 192,100.14/x
  3. Step 3: Cross multiply
    612,824.26x = 919,384.04 × 192,100.14
  4. Step 4: Simplify right side
    612,824.26x = 176,613,802,797.77
  5. Step 5: Solve for x
    x = 176,613,802,797.77/612,824.26
  6. Step 6: Final answer
    x = 288,196.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.