Home / 134,148.16-185,123.52-73,719.36

Finding the Fourth Proportional to 134,148.16, 185,123.52 and 73,719.36

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Solution

The fourth proportional to 134,148.16, 185,123.52 and 73,719.36 is: 101,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.16 : 185,123.52 = 73,719.36 : x
  2. Step 2: Convert to fraction form
    134,148.16/185,123.52 = 73,719.36/x
  3. Step 3: Cross multiply
    134,148.16x = 185,123.52 × 73,719.36
  4. Step 4: Simplify right side
    134,148.16x = 13,647,187,415.35
  5. Step 5: Solve for x
    x = 13,647,187,415.35/134,148.16
  6. Step 6: Final answer
    x = 101,732.20

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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.