Home / 210,886.22-291,021.74-114,089.75

Finding the Fourth Proportional to 210,886.22, 291,021.74 and 114,089.75

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Solution

The fourth proportional to 210,886.22, 291,021.74 and 114,089.75 is: 157,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,886.22 : 291,021.74 = 114,089.75 : x
  2. Step 2: Convert to fraction form
    210,886.22/291,021.74 = 114,089.75/x
  3. Step 3: Cross multiply
    210,886.22x = 291,021.74 × 114,089.75
  4. Step 4: Simplify right side
    210,886.22x = 33,202,597,961.65
  5. Step 5: Solve for x
    x = 33,202,597,961.65/210,886.22
  6. Step 6: Final answer
    x = 157,443.18

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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.