Home / 156,647.91-235,056.94-66,675.95

Finding the Fourth Proportional to 156,647.91, 235,056.94 and 66,675.95

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Solution

The fourth proportional to 156,647.91, 235,056.94 and 66,675.95 is: 100,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,647.91 : 235,056.94 = 66,675.95 : x
  2. Step 2: Convert to fraction form
    156,647.91/235,056.94 = 66,675.95/x
  3. Step 3: Cross multiply
    156,647.91x = 235,056.94 × 66,675.95
  4. Step 4: Simplify right side
    156,647.91x = 15,672,643,436.62
  5. Step 5: Solve for x
    x = 15,672,643,436.62/156,647.91
  6. Step 6: Final answer
    x = 100,050.13

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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.