Home / 133,796.12-184,636.98-77,206.28

Finding the Fourth Proportional to 133,796.12, 184,636.98 and 77,206.28

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Solution

The fourth proportional to 133,796.12, 184,636.98 and 77,206.28 is: 106,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,796.12 : 184,636.98 = 77,206.28 : x
  2. Step 2: Convert to fraction form
    133,796.12/184,636.98 = 77,206.28/x
  3. Step 3: Cross multiply
    133,796.12x = 184,636.98 × 77,206.28
  4. Step 4: Simplify right side
    133,796.12x = 14,255,134,376.23
  5. Step 5: Solve for x
    x = 14,255,134,376.23/133,796.12
  6. Step 6: Final answer
    x = 106,543.71

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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.