Home / 156,922.70-235,384.05-51,716.30

Finding the Fourth Proportional to 156,922.70, 235,384.05 and 51,716.30

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Solution

The fourth proportional to 156,922.70, 235,384.05 and 51,716.30 is: 77,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.70 : 235,384.05 = 51,716.30 : x
  2. Step 2: Convert to fraction form
    156,922.70/235,384.05 = 51,716.30/x
  3. Step 3: Cross multiply
    156,922.70x = 235,384.05 × 51,716.30
  4. Step 4: Simplify right side
    156,922.70x = 12,173,192,145.02
  5. Step 5: Solve for x
    x = 12,173,192,145.02/156,922.70
  6. Step 6: Final answer
    x = 77,574.45

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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.