Home / 545,981.58-819,089.00-191,007.18

Finding the Fourth Proportional to 545,981.58, 819,089.00 and 191,007.18

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Solution

The fourth proportional to 545,981.58, 819,089.00 and 191,007.18 is: 286,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,981.58 : 819,089.00 = 191,007.18 : x
  2. Step 2: Convert to fraction form
    545,981.58/819,089.00 = 191,007.18/x
  3. Step 3: Cross multiply
    545,981.58x = 819,089.00 × 191,007.18
  4. Step 4: Simplify right side
    545,981.58x = 156,451,879,103.98
  5. Step 5: Solve for x
    x = 156,451,879,103.98/545,981.58
  6. Step 6: Final answer
    x = 286,551.57

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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.