Home / 134,687.09-185,862.59-73,431.96

Finding the Fourth Proportional to 134,687.09, 185,862.59 and 73,431.96

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Solution

The fourth proportional to 134,687.09, 185,862.59 and 73,431.96 is: 101,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,687.09 : 185,862.59 = 73,431.96 : x
  2. Step 2: Convert to fraction form
    134,687.09/185,862.59 = 73,431.96/x
  3. Step 3: Cross multiply
    134,687.09x = 185,862.59 × 73,431.96
  4. Step 4: Simplify right side
    134,687.09x = 13,648,254,274.38
  5. Step 5: Solve for x
    x = 13,648,254,274.38/134,687.09
  6. Step 6: Final answer
    x = 101,333.05

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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.