Home / 187,497.11-258,477.03-133,688.81

Finding the Fourth Proportional to 187,497.11, 258,477.03 and 133,688.81

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Solution

The fourth proportional to 187,497.11, 258,477.03 and 133,688.81 is: 184,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,497.11 : 258,477.03 = 133,688.81 : x
  2. Step 2: Convert to fraction form
    187,497.11/258,477.03 = 133,688.81/x
  3. Step 3: Cross multiply
    187,497.11x = 258,477.03 × 133,688.81
  4. Step 4: Simplify right side
    187,497.11x = 34,555,485,260.65
  5. Step 5: Solve for x
    x = 34,555,485,260.65/187,497.11
  6. Step 6: Final answer
    x = 184,298.77

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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.