Home / 210,199.20-290,081.06-114,712.06

Finding the Fourth Proportional to 210,199.20, 290,081.06 and 114,712.06

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Solution

The fourth proportional to 210,199.20, 290,081.06 and 114,712.06 is: 158,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,199.20 : 290,081.06 = 114,712.06 : x
  2. Step 2: Convert to fraction form
    210,199.20/290,081.06 = 114,712.06/x
  3. Step 3: Cross multiply
    210,199.20x = 290,081.06 × 114,712.06
  4. Step 4: Simplify right side
    210,199.20x = 33,275,795,959.58
  5. Step 5: Solve for x
    x = 33,275,795,959.58/210,199.20
  6. Step 6: Final answer
    x = 158,306.01

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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.