Home / 211,380.84-317,070.59-53,608.91

Finding the Fourth Proportional to 211,380.84, 317,070.59 and 53,608.91

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Solution

The fourth proportional to 211,380.84, 317,070.59 and 53,608.91 is: 80,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,380.84 : 317,070.59 = 53,608.91 : x
  2. Step 2: Convert to fraction form
    211,380.84/317,070.59 = 53,608.91/x
  3. Step 3: Cross multiply
    211,380.84x = 317,070.59 × 53,608.91
  4. Step 4: Simplify right side
    211,380.84x = 16,997,806,869.56
  5. Step 5: Solve for x
    x = 16,997,806,869.56/211,380.84
  6. Step 6: Final answer
    x = 80,413.19

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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.