Home / 134,874.36-186,123.78-73,618.53

Finding the Fourth Proportional to 134,874.36, 186,123.78 and 73,618.53

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Solution

The fourth proportional to 134,874.36, 186,123.78 and 73,618.53 is: 101,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,874.36 : 186,123.78 = 73,618.53 : x
  2. Step 2: Convert to fraction form
    134,874.36/186,123.78 = 73,618.53/x
  3. Step 3: Cross multiply
    134,874.36x = 186,123.78 × 73,618.53
  4. Step 4: Simplify right side
    134,874.36x = 13,702,159,081.64
  5. Step 5: Solve for x
    x = 13,702,159,081.64/134,874.36
  6. Step 6: Final answer
    x = 101,592.02

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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.