Home / 134,705.14-185,885.01-74,276.51

Finding the Fourth Proportional to 134,705.14, 185,885.01 and 74,276.51

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Solution

The fourth proportional to 134,705.14, 185,885.01 and 74,276.51 is: 102,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,705.14 : 185,885.01 = 74,276.51 : x
  2. Step 2: Convert to fraction form
    134,705.14/185,885.01 = 74,276.51/x
  3. Step 3: Cross multiply
    134,705.14x = 185,885.01 × 74,276.51
  4. Step 4: Simplify right side
    134,705.14x = 13,806,888,874.69
  5. Step 5: Solve for x
    x = 13,806,888,874.69/134,705.14
  6. Step 6: Final answer
    x = 102,497.12

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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.