Home / 156,964.74-235,131.48-72,606.48

Finding the Fourth Proportional to 156,964.74, 235,131.48 and 72,606.48

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Solution

The fourth proportional to 156,964.74, 235,131.48 and 72,606.48 is: 108,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.74 : 235,131.48 = 72,606.48 : x
  2. Step 2: Convert to fraction form
    156,964.74/235,131.48 = 72,606.48/x
  3. Step 3: Cross multiply
    156,964.74x = 235,131.48 × 72,606.48
  4. Step 4: Simplify right side
    156,964.74x = 17,072,069,099.99
  5. Step 5: Solve for x
    x = 17,072,069,099.99/156,964.74
  6. Step 6: Final answer
    x = 108,763.72

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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.