Home / 128,454.01-192,431.67-94,658.69

Finding the Fourth Proportional to 128,454.01, 192,431.67 and 94,658.69

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Solution

The fourth proportional to 128,454.01, 192,431.67 and 94,658.69 is: 141,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,454.01 : 192,431.67 = 94,658.69 : x
  2. Step 2: Convert to fraction form
    128,454.01/192,431.67 = 94,658.69/x
  3. Step 3: Cross multiply
    128,454.01x = 192,431.67 × 94,658.69
  4. Step 4: Simplify right side
    128,454.01x = 18,215,329,796.71
  5. Step 5: Solve for x
    x = 18,215,329,796.71/128,454.01
  6. Step 6: Final answer
    x = 141,804.29

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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.