Home / 167,036.88-230,815.98-121,635.48

Finding the Fourth Proportional to 167,036.88, 230,815.98 and 121,635.48

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Solution

The fourth proportional to 167,036.88, 230,815.98 and 121,635.48 is: 168,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,036.88 : 230,815.98 = 121,635.48 : x
  2. Step 2: Convert to fraction form
    167,036.88/230,815.98 = 121,635.48/x
  3. Step 3: Cross multiply
    167,036.88x = 230,815.98 × 121,635.48
  4. Step 4: Simplify right side
    167,036.88x = 28,075,412,518.97
  5. Step 5: Solve for x
    x = 28,075,412,518.97/167,036.88
  6. Step 6: Final answer
    x = 168,079.12

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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.