Home / 156,796.30-235,216.05-68,047.30

Finding the Fourth Proportional to 156,796.30, 235,216.05 and 68,047.30

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Solution

The fourth proportional to 156,796.30, 235,216.05 and 68,047.30 is: 102,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.30 : 235,216.05 = 68,047.30 : x
  2. Step 2: Convert to fraction form
    156,796.30/235,216.05 = 68,047.30/x
  3. Step 3: Cross multiply
    156,796.30x = 235,216.05 × 68,047.30
  4. Step 4: Simplify right side
    156,796.30x = 16,005,817,119.17
  5. Step 5: Solve for x
    x = 16,005,817,119.17/156,796.30
  6. Step 6: Final answer
    x = 102,080.32

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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.