Home / 156,864.36-235,311.12-51,684.24

Finding the Fourth Proportional to 156,864.36, 235,311.12 and 51,684.24

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Solution

The fourth proportional to 156,864.36, 235,311.12 and 51,684.24 is: 77,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.36 : 235,311.12 = 51,684.24 : x
  2. Step 2: Convert to fraction form
    156,864.36/235,311.12 = 51,684.24/x
  3. Step 3: Cross multiply
    156,864.36x = 235,311.12 × 51,684.24
  4. Step 4: Simplify right side
    156,864.36x = 12,161,876,400.75
  5. Step 5: Solve for x
    x = 12,161,876,400.75/156,864.36
  6. Step 6: Final answer
    x = 77,531.16

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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.