Home / 192,490.04-265,511.12-123,470.28

Finding the Fourth Proportional to 192,490.04, 265,511.12 and 123,470.28

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Solution

The fourth proportional to 192,490.04, 265,511.12 and 123,470.28 is: 170,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,490.04 : 265,511.12 = 123,470.28 : x
  2. Step 2: Convert to fraction form
    192,490.04/265,511.12 = 123,470.28/x
  3. Step 3: Cross multiply
    192,490.04x = 265,511.12 × 123,470.28
  4. Step 4: Simplify right side
    192,490.04x = 32,782,731,712.16
  5. Step 5: Solve for x
    x = 32,782,731,712.16/192,490.04
  6. Step 6: Final answer
    x = 170,308.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.