Home / 127,670.88-191,327.04-100,899.18

Finding the Fourth Proportional to 127,670.88, 191,327.04 and 100,899.18

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Solution

The fourth proportional to 127,670.88, 191,327.04 and 100,899.18 is: 151,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670.88 : 191,327.04 = 100,899.18 : x
  2. Step 2: Convert to fraction form
    127,670.88/191,327.04 = 100,899.18/x
  3. Step 3: Cross multiply
    127,670.88x = 191,327.04 × 100,899.18
  4. Step 4: Simplify right side
    127,670.88x = 19,304,741,447.83
  5. Step 5: Solve for x
    x = 19,304,741,447.83/127,670.88
  6. Step 6: Final answer
    x = 151,207.08

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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.