Home / 156,834.48-235,251.72-56,976.06

Finding the Fourth Proportional to 156,834.48, 235,251.72 and 56,976.06

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Solution

The fourth proportional to 156,834.48, 235,251.72 and 56,976.06 is: 85,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,834.48 : 235,251.72 = 56,976.06 : x
  2. Step 2: Convert to fraction form
    156,834.48/235,251.72 = 56,976.06/x
  3. Step 3: Cross multiply
    156,834.48x = 235,251.72 × 56,976.06
  4. Step 4: Simplify right side
    156,834.48x = 13,403,716,113.82
  5. Step 5: Solve for x
    x = 13,403,716,113.82/156,834.48
  6. Step 6: Final answer
    x = 85,464.09

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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.