Home / 188,902.40-283,222.08-83,664.32

Finding the Fourth Proportional to 188,902.40, 283,222.08 and 83,664.32

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Solution

The fourth proportional to 188,902.40, 283,222.08 and 83,664.32 is: 125,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,902.40 : 283,222.08 = 83,664.32 : x
  2. Step 2: Convert to fraction form
    188,902.40/283,222.08 = 83,664.32/x
  3. Step 3: Cross multiply
    188,902.40x = 283,222.08 × 83,664.32
  4. Step 4: Simplify right side
    188,902.40x = 23,695,582,732.19
  5. Step 5: Solve for x
    x = 23,695,582,732.19/188,902.40
  6. Step 6: Final answer
    x = 125,438.23

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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.