Home / 158,732.36-219,050.02-87,113.56

Finding the Fourth Proportional to 158,732.36, 219,050.02 and 87,113.56

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Solution

The fourth proportional to 158,732.36, 219,050.02 and 87,113.56 is: 120,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,732.36 : 219,050.02 = 87,113.56 : x
  2. Step 2: Convert to fraction form
    158,732.36/219,050.02 = 87,113.56/x
  3. Step 3: Cross multiply
    158,732.36x = 219,050.02 × 87,113.56
  4. Step 4: Simplify right side
    158,732.36x = 19,082,227,060.27
  5. Step 5: Solve for x
    x = 19,082,227,060.27/158,732.36
  6. Step 6: Final answer
    x = 120,216.36

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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.