Home / 158,415.10-237,233.85-105,538.30

Finding the Fourth Proportional to 158,415.10, 237,233.85 and 105,538.30

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Solution

The fourth proportional to 158,415.10, 237,233.85 and 105,538.30 is: 158,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,415.10 : 237,233.85 = 105,538.30 : x
  2. Step 2: Convert to fraction form
    158,415.10/237,233.85 = 105,538.30/x
  3. Step 3: Cross multiply
    158,415.10x = 237,233.85 × 105,538.30
  4. Step 4: Simplify right side
    158,415.10x = 25,037,257,231.46
  5. Step 5: Solve for x
    x = 25,037,257,231.46/158,415.10
  6. Step 6: Final answer
    x = 158,048.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.