Home / 156,986.70-235,436.85-63,501.90

Finding the Fourth Proportional to 156,986.70, 235,436.85 and 63,501.90

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Solution

The fourth proportional to 156,986.70, 235,436.85 and 63,501.90 is: 95,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.70 : 235,436.85 = 63,501.90 : x
  2. Step 2: Convert to fraction form
    156,986.70/235,436.85 = 63,501.90/x
  3. Step 3: Cross multiply
    156,986.70x = 235,436.85 × 63,501.90
  4. Step 4: Simplify right side
    156,986.70x = 14,950,687,305.02
  5. Step 5: Solve for x
    x = 14,950,687,305.02/156,986.70
  6. Step 6: Final answer
    x = 95,235.38

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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.