Home / 134,888.14-186,155.94-74,470.42

Finding the Fourth Proportional to 134,888.14, 186,155.94 and 74,470.42

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Solution

The fourth proportional to 134,888.14, 186,155.94 and 74,470.42 is: 102,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,888.14 : 186,155.94 = 74,470.42 : x
  2. Step 2: Convert to fraction form
    134,888.14/186,155.94 = 74,470.42/x
  3. Step 3: Cross multiply
    134,888.14x = 186,155.94 × 74,470.42
  4. Step 4: Simplify right side
    134,888.14x = 13,863,111,037.29
  5. Step 5: Solve for x
    x = 13,863,111,037.29/134,888.14
  6. Step 6: Final answer
    x = 102,774.87

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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.