Home / 133,798.12-184,612.50-77,176.69

Finding the Fourth Proportional to 133,798.12, 184,612.50 and 77,176.69

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Solution

The fourth proportional to 133,798.12, 184,612.50 and 77,176.69 is: 106,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.12 : 184,612.50 = 77,176.69 : x
  2. Step 2: Convert to fraction form
    133,798.12/184,612.50 = 77,176.69/x
  3. Step 3: Cross multiply
    133,798.12x = 184,612.50 × 77,176.69
  4. Step 4: Simplify right side
    133,798.12x = 14,247,781,221.09
  5. Step 5: Solve for x
    x = 14,247,781,221.09/133,798.12
  6. Step 6: Final answer
    x = 106,487.16

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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.