Home / 133,355.40-184,047.86-76,769.16

Finding the Fourth Proportional to 133,355.40, 184,047.86 and 76,769.16

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Solution

The fourth proportional to 133,355.40, 184,047.86 and 76,769.16 is: 105,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,355.40 : 184,047.86 = 76,769.16 : x
  2. Step 2: Convert to fraction form
    133,355.40/184,047.86 = 76,769.16/x
  3. Step 3: Cross multiply
    133,355.40x = 184,047.86 × 76,769.16
  4. Step 4: Simplify right side
    133,355.40x = 14,129,199,612.00
  5. Step 5: Solve for x
    x = 14,129,199,612.00/133,355.40
  6. Step 6: Final answer
    x = 105,951.46

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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.