Home / 211,413.87-317,090.05-61,613.94

Finding the Fourth Proportional to 211,413.87, 317,090.05 and 61,613.94

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Solution

The fourth proportional to 211,413.87, 317,090.05 and 61,613.94 is: 92,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,413.87 : 317,090.05 = 61,613.94 : x
  2. Step 2: Convert to fraction form
    211,413.87/317,090.05 = 61,613.94/x
  3. Step 3: Cross multiply
    211,413.87x = 317,090.05 × 61,613.94
  4. Step 4: Simplify right side
    211,413.87x = 19,537,167,891.76
  5. Step 5: Solve for x
    x = 19,537,167,891.76/211,413.87
  6. Step 6: Final answer
    x = 92,411.95

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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.