Home / 156,621.15-234,767.70-61,814.70

Finding the Fourth Proportional to 156,621.15, 234,767.70 and 61,814.70

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Solution

The fourth proportional to 156,621.15, 234,767.70 and 61,814.70 is: 92,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621.15 : 234,767.70 = 61,814.70 : x
  2. Step 2: Convert to fraction form
    156,621.15/234,767.70 = 61,814.70/x
  3. Step 3: Cross multiply
    156,621.15x = 234,767.70 × 61,814.70
  4. Step 4: Simplify right side
    156,621.15x = 14,512,094,945.19
  5. Step 5: Solve for x
    x = 14,512,094,945.19/156,621.15
  6. Step 6: Final answer
    x = 92,657.31

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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.