Home / 369,715.20-554,354.10-192,568.20

Finding the Fourth Proportional to 369,715.20, 554,354.10 and 192,568.20

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Solution

The fourth proportional to 369,715.20, 554,354.10 and 192,568.20 is: 288,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,715.20 : 554,354.10 = 192,568.20 : x
  2. Step 2: Convert to fraction form
    369,715.20/554,354.10 = 192,568.20/x
  3. Step 3: Cross multiply
    369,715.20x = 554,354.10 × 192,568.20
  4. Step 4: Simplify right side
    369,715.20x = 106,750,971,199.62
  5. Step 5: Solve for x
    x = 106,750,971,199.62/369,715.20
  6. Step 6: Final answer
    x = 288,738.39

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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.