Home / 133,829.36-184,667.50-76,472.40

Finding the Fourth Proportional to 133,829.36, 184,667.50 and 76,472.40

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Solution

The fourth proportional to 133,829.36, 184,667.50 and 76,472.40 is: 105,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,829.36 : 184,667.50 = 76,472.40 : x
  2. Step 2: Convert to fraction form
    133,829.36/184,667.50 = 76,472.40/x
  3. Step 3: Cross multiply
    133,829.36x = 184,667.50 × 76,472.40
  4. Step 4: Simplify right side
    133,829.36x = 14,121,966,927.00
  5. Step 5: Solve for x
    x = 14,121,966,927.00/133,829.36
  6. Step 6: Final answer
    x = 105,522.19

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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.