Home / 121,067.04-181,751.76-81,798.24

Finding the Fourth Proportional to 121,067.04, 181,751.76 and 81,798.24

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Solution

The fourth proportional to 121,067.04, 181,751.76 and 81,798.24 is: 122,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,067.04 : 181,751.76 = 81,798.24 : x
  2. Step 2: Convert to fraction form
    121,067.04/181,751.76 = 81,798.24/x
  3. Step 3: Cross multiply
    121,067.04x = 181,751.76 × 81,798.24
  4. Step 4: Simplify right side
    121,067.04x = 14,866,974,084.90
  5. Step 5: Solve for x
    x = 14,866,974,084.90/121,067.04
  6. Step 6: Final answer
    x = 122,799.52

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1.5x scale

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.