Home / 190,847.52-286,216.20-76,995.36

Finding the Fourth Proportional to 190,847.52, 286,216.20 and 76,995.36

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Solution

The fourth proportional to 190,847.52, 286,216.20 and 76,995.36 is: 115,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,847.52 : 286,216.20 = 76,995.36 : x
  2. Step 2: Convert to fraction form
    190,847.52/286,216.20 = 76,995.36/x
  3. Step 3: Cross multiply
    190,847.52x = 286,216.20 × 76,995.36
  4. Step 4: Simplify right side
    190,847.52x = 22,037,319,356.83
  5. Step 5: Solve for x
    x = 22,037,319,356.83/190,847.52
  6. Step 6: Final answer
    x = 115,470.82

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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.