Home / 123,078.42-184,617.63-38,838.83

Finding the Fourth Proportional to 123,078.42, 184,617.63 and 38,838.83

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Solution

The fourth proportional to 123,078.42, 184,617.63 and 38,838.83 is: 58,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,078.42 : 184,617.63 = 38,838.83 : x
  2. Step 2: Convert to fraction form
    123,078.42/184,617.63 = 38,838.83/x
  3. Step 3: Cross multiply
    123,078.42x = 184,617.63 × 38,838.83
  4. Step 4: Simplify right side
    123,078.42x = 7,170,331,823.48
  5. Step 5: Solve for x
    x = 7,170,331,823.48/123,078.42
  6. Step 6: Final answer
    x = 58,258.24

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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.