Home / 127,616.20-191,424.36-52,653.96

Finding the Fourth Proportional to 127,616.20, 191,424.36 and 52,653.96

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Solution

The fourth proportional to 127,616.20, 191,424.36 and 52,653.96 is: 78,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.20 : 191,424.36 = 52,653.96 : x
  2. Step 2: Convert to fraction form
    127,616.20/191,424.36 = 52,653.96/x
  3. Step 3: Cross multiply
    127,616.20x = 191,424.36 × 52,653.96
  4. Step 4: Simplify right side
    127,616.20x = 10,079,250,594.47
  5. Step 5: Solve for x
    x = 10,079,250,594.47/127,616.20
  6. Step 6: Final answer
    x = 78,980.96

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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.