Home / 133,393.52-184,088.96-76,823.12

Finding the Fourth Proportional to 133,393.52, 184,088.96 and 76,823.12

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Solution

The fourth proportional to 133,393.52, 184,088.96 and 76,823.12 is: 106,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.52 : 184,088.96 = 76,823.12 : x
  2. Step 2: Convert to fraction form
    133,393.52/184,088.96 = 76,823.12/x
  3. Step 3: Cross multiply
    133,393.52x = 184,088.96 × 76,823.12
  4. Step 4: Simplify right side
    133,393.52x = 14,142,286,960.19
  5. Step 5: Solve for x
    x = 14,142,286,960.19/133,393.52
  6. Step 6: Final answer
    x = 106,019.30

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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.