Home / 133,973.81-184,845.98-86,254.79

Finding the Fourth Proportional to 133,973.81, 184,845.98 and 86,254.79

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Solution

The fourth proportional to 133,973.81, 184,845.98 and 86,254.79 is: 119,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,973.81 : 184,845.98 = 86,254.79 : x
  2. Step 2: Convert to fraction form
    133,973.81/184,845.98 = 86,254.79/x
  3. Step 3: Cross multiply
    133,973.81x = 184,845.98 × 86,254.79
  4. Step 4: Simplify right side
    133,973.81x = 15,943,850,478.65
  5. Step 5: Solve for x
    x = 15,943,850,478.65/133,973.81
  6. Step 6: Final answer
    x = 119,007.22

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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.