Home / 128,152.33-192,097.27-64,855.15

Finding the Fourth Proportional to 128,152.33, 192,097.27 and 64,855.15

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Solution

The fourth proportional to 128,152.33, 192,097.27 and 64,855.15 is: 97,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,152.33 : 192,097.27 = 64,855.15 : x
  2. Step 2: Convert to fraction form
    128,152.33/192,097.27 = 64,855.15/x
  3. Step 3: Cross multiply
    128,152.33x = 192,097.27 × 64,855.15
  4. Step 4: Simplify right side
    128,152.33x = 12,458,497,260.44
  5. Step 5: Solve for x
    x = 12,458,497,260.44/128,152.33
  6. Step 6: Final answer
    x = 97,216.31

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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.