Home / 134,154.54-184,904.91-91,639.26

Finding the Fourth Proportional to 134,154.54, 184,904.91 and 91,639.26

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Solution

The fourth proportional to 134,154.54, 184,904.91 and 91,639.26 is: 126,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,154.54 : 184,904.91 = 91,639.26 : x
  2. Step 2: Convert to fraction form
    134,154.54/184,904.91 = 91,639.26/x
  3. Step 3: Cross multiply
    134,154.54x = 184,904.91 × 91,639.26
  4. Step 4: Simplify right side
    134,154.54x = 16,944,549,122.77
  5. Step 5: Solve for x
    x = 16,944,549,122.77/134,154.54
  6. Step 6: Final answer
    x = 126,306.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.