Home / 545,105.07-817,793.67-190,124.19

Finding the Fourth Proportional to 545,105.07, 817,793.67 and 190,124.19

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Solution

The fourth proportional to 545,105.07, 817,793.67 and 190,124.19 is: 285,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,105.07 : 817,793.67 = 190,124.19 : x
  2. Step 2: Convert to fraction form
    545,105.07/817,793.67 = 190,124.19/x
  3. Step 3: Cross multiply
    545,105.07x = 817,793.67 × 190,124.19
  4. Step 4: Simplify right side
    545,105.07x = 155,482,359,095.88
  5. Step 5: Solve for x
    x = 155,482,359,095.88/545,105.07
  6. Step 6: Final answer
    x = 285,233.74

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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.