Home / 661,623.68-992,517.55-188,345.95

Finding the Fourth Proportional to 661,623.68, 992,517.55 and 188,345.95

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Solution

The fourth proportional to 661,623.68, 992,517.55 and 188,345.95 is: 282,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,623.68 : 992,517.55 = 188,345.95 : x
  2. Step 2: Convert to fraction form
    661,623.68/992,517.55 = 188,345.95/x
  3. Step 3: Cross multiply
    661,623.68x = 992,517.55 × 188,345.95
  4. Step 4: Simplify right side
    661,623.68x = 186,936,657,894.26
  5. Step 5: Solve for x
    x = 186,936,657,894.26/661,623.68
  6. Step 6: Final answer
    x = 282,542.27

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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.