Home / 127,612.04-191,403.48-34,125.08

Finding the Fourth Proportional to 127,612.04, 191,403.48 and 34,125.08

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Solution

The fourth proportional to 127,612.04, 191,403.48 and 34,125.08 is: 51,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.04 : 191,403.48 = 34,125.08 : x
  2. Step 2: Convert to fraction form
    127,612.04/191,403.48 = 34,125.08/x
  3. Step 3: Cross multiply
    127,612.04x = 191,403.48 × 34,125.08
  4. Step 4: Simplify right side
    127,612.04x = 6,531,659,067.28
  5. Step 5: Solve for x
    x = 6,531,659,067.28/127,612.04
  6. Step 6: Final answer
    x = 51,183.72

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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.