Home / 133,359.54-184,058.94-76,803.72

Finding the Fourth Proportional to 133,359.54, 184,058.94 and 76,803.72

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Solution

The fourth proportional to 133,359.54, 184,058.94 and 76,803.72 is: 106,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.54 : 184,058.94 = 76,803.72 : x
  2. Step 2: Convert to fraction form
    133,359.54/184,058.94 = 76,803.72/x
  3. Step 3: Cross multiply
    133,359.54x = 184,058.94 × 76,803.72
  4. Step 4: Simplify right side
    133,359.54x = 14,136,411,291.26
  5. Step 5: Solve for x
    x = 14,136,411,291.26/133,359.54
  6. Step 6: Final answer
    x = 106,002.25

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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.