Home / 156,733.30-235,140.48-67,966.30

Finding the Fourth Proportional to 156,733.30, 235,140.48 and 67,966.30

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Solution

The fourth proportional to 156,733.30, 235,140.48 and 67,966.30 is: 101,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.30 : 235,140.48 = 67,966.30 : x
  2. Step 2: Convert to fraction form
    156,733.30/235,140.48 = 67,966.30/x
  3. Step 3: Cross multiply
    156,733.30x = 235,140.48 × 67,966.30
  4. Step 4: Simplify right side
    156,733.30x = 15,981,628,405.82
  5. Step 5: Solve for x
    x = 15,981,628,405.82/156,733.30
  6. Step 6: Final answer
    x = 101,967.03

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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.