Home / 121,847.24-182,582.34-84,480.32

Finding the Fourth Proportional to 121,847.24, 182,582.34 and 84,480.32

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Solution

The fourth proportional to 121,847.24, 182,582.34 and 84,480.32 is: 126,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,847.24 : 182,582.34 = 84,480.32 : x
  2. Step 2: Convert to fraction form
    121,847.24/182,582.34 = 84,480.32/x
  3. Step 3: Cross multiply
    121,847.24x = 182,582.34 × 84,480.32
  4. Step 4: Simplify right side
    121,847.24x = 15,424,614,509.55
  5. Step 5: Solve for x
    x = 15,424,614,509.55/121,847.24
  6. Step 6: Final answer
    x = 126,589.77

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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.