Home / 189,182.33-283,772.47-81,095.78

Finding the Fourth Proportional to 189,182.33, 283,772.47 and 81,095.78

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Solution

The fourth proportional to 189,182.33, 283,772.47 and 81,095.78 is: 121,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,182.33 : 283,772.47 = 81,095.78 : x
  2. Step 2: Convert to fraction form
    189,182.33/283,772.47 = 81,095.78/x
  3. Step 3: Cross multiply
    189,182.33x = 283,772.47 × 81,095.78
  4. Step 4: Simplify right side
    189,182.33x = 23,012,750,455.92
  5. Step 5: Solve for x
    x = 23,012,750,455.92/189,182.33
  6. Step 6: Final answer
    x = 121,643.23

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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.