Home / 577,356.51-865,932.69-156,665.19

Finding the Fourth Proportional to 577,356.51, 865,932.69 and 156,665.19

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Solution

The fourth proportional to 577,356.51, 865,932.69 and 156,665.19 is: 234,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,356.51 : 865,932.69 = 156,665.19 : x
  2. Step 2: Convert to fraction form
    577,356.51/865,932.69 = 156,665.19/x
  3. Step 3: Cross multiply
    577,356.51x = 865,932.69 × 156,665.19
  4. Step 4: Simplify right side
    577,356.51x = 135,661,509,406.06
  5. Step 5: Solve for x
    x = 135,661,509,406.06/577,356.51
  6. Step 6: Final answer
    x = 234,970.09

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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.