Home / 150,449.36-207,612.12-86,783.36

Finding the Fourth Proportional to 150,449.36, 207,612.12 and 86,783.36

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Solution

The fourth proportional to 150,449.36, 207,612.12 and 86,783.36 is: 119,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,449.36 : 207,612.12 = 86,783.36 : x
  2. Step 2: Convert to fraction form
    150,449.36/207,612.12 = 86,783.36/x
  3. Step 3: Cross multiply
    150,449.36x = 207,612.12 × 86,783.36
  4. Step 4: Simplify right side
    150,449.36x = 18,017,277,350.32
  5. Step 5: Solve for x
    x = 18,017,277,350.32/150,449.36
  6. Step 6: Final answer
    x = 119,756.42

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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.