Home / 134,945.83-186,224.25-74,516.46

Finding the Fourth Proportional to 134,945.83, 186,224.25 and 74,516.46

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Solution

The fourth proportional to 134,945.83, 186,224.25 and 74,516.46 is: 102,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,945.83 : 186,224.25 = 74,516.46 : x
  2. Step 2: Convert to fraction form
    134,945.83/186,224.25 = 74,516.46/x
  3. Step 3: Cross multiply
    134,945.83x = 186,224.25 × 74,516.46
  4. Step 4: Simplify right side
    134,945.83x = 13,876,771,876.16
  5. Step 5: Solve for x
    x = 13,876,771,876.16/134,945.83
  6. Step 6: Final answer
    x = 102,832.17

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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.