Home / 156,857.04-235,314.72-51,680.16

Finding the Fourth Proportional to 156,857.04, 235,314.72 and 51,680.16

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Solution

The fourth proportional to 156,857.04, 235,314.72 and 51,680.16 is: 77,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,857.04 : 235,314.72 = 51,680.16 : x
  2. Step 2: Convert to fraction form
    156,857.04/235,314.72 = 51,680.16/x
  3. Step 3: Cross multiply
    156,857.04x = 235,314.72 × 51,680.16
  4. Step 4: Simplify right side
    156,857.04x = 12,161,102,379.96
  5. Step 5: Solve for x
    x = 12,161,102,379.96/156,857.04
  6. Step 6: Final answer
    x = 77,529.85

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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.