Home / 156,935.53-235,461.62-72,736.03

Finding the Fourth Proportional to 156,935.53, 235,461.62 and 72,736.03

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Solution

The fourth proportional to 156,935.53, 235,461.62 and 72,736.03 is: 109,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.53 : 235,461.62 = 72,736.03 : x
  2. Step 2: Convert to fraction form
    156,935.53/235,461.62 = 72,736.03/x
  3. Step 3: Cross multiply
    156,935.53x = 235,461.62 × 72,736.03
  4. Step 4: Simplify right side
    156,935.53x = 17,126,543,456.17
  5. Step 5: Solve for x
    x = 17,126,543,456.17/156,935.53
  6. Step 6: Final answer
    x = 109,131.08

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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.