Home / 193,081.51-266,173.29-135,545.64

Finding the Fourth Proportional to 193,081.51, 266,173.29 and 135,545.64

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Solution

The fourth proportional to 193,081.51, 266,173.29 and 135,545.64 is: 186,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,081.51 : 266,173.29 = 135,545.64 : x
  2. Step 2: Convert to fraction form
    193,081.51/266,173.29 = 135,545.64/x
  3. Step 3: Cross multiply
    193,081.51x = 266,173.29 × 135,545.64
  4. Step 4: Simplify right side
    193,081.51x = 36,078,626,935.36
  5. Step 5: Solve for x
    x = 36,078,626,935.36/193,081.51
  6. Step 6: Final answer
    x = 186,856.98

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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.