Home / 128,150.41-192,266.75-61,595.37

Finding the Fourth Proportional to 128,150.41, 192,266.75 and 61,595.37

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Solution

The fourth proportional to 128,150.41, 192,266.75 and 61,595.37 is: 92,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,150.41 : 192,266.75 = 61,595.37 : x
  2. Step 2: Convert to fraction form
    128,150.41/192,266.75 = 61,595.37/x
  3. Step 3: Cross multiply
    128,150.41x = 192,266.75 × 61,595.37
  4. Step 4: Simplify right side
    128,150.41x = 11,842,740,335.64
  5. Step 5: Solve for x
    x = 11,842,740,335.64/128,150.41
  6. Step 6: Final answer
    x = 92,412.82

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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.