Home / 106,784.39-160,174.41-31,904.75

Finding the Fourth Proportional to 106,784.39, 160,174.41 and 31,904.75

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Solution

The fourth proportional to 106,784.39, 160,174.41 and 31,904.75 is: 47,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,784.39 : 160,174.41 = 31,904.75 : x
  2. Step 2: Convert to fraction form
    106,784.39/160,174.41 = 31,904.75/x
  3. Step 3: Cross multiply
    106,784.39x = 160,174.41 × 31,904.75
  4. Step 4: Simplify right side
    106,784.39x = 5,110,323,706.58
  5. Step 5: Solve for x
    x = 5,110,323,706.58/106,784.39
  6. Step 6: Final answer
    x = 47,856.47

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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.