Home / 192,618.27-288,985.59-57,686.72

Finding the Fourth Proportional to 192,618.27, 288,985.59 and 57,686.72

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Solution

The fourth proportional to 192,618.27, 288,985.59 and 57,686.72 is: 86,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,618.27 : 288,985.59 = 57,686.72 : x
  2. Step 2: Convert to fraction form
    192,618.27/288,985.59 = 57,686.72/x
  3. Step 3: Cross multiply
    192,618.27x = 288,985.59 × 57,686.72
  4. Step 4: Simplify right side
    192,618.27x = 16,670,629,369.44
  5. Step 5: Solve for x
    x = 16,670,629,369.44/192,618.27
  6. Step 6: Final answer
    x = 86,547.50

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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.