Home / 156,897.06-235,345.23-68,139.06

Finding the Fourth Proportional to 156,897.06, 235,345.23 and 68,139.06

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Solution

The fourth proportional to 156,897.06, 235,345.23 and 68,139.06 is: 102,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,897.06 : 235,345.23 = 68,139.06 : x
  2. Step 2: Convert to fraction form
    156,897.06/235,345.23 = 68,139.06/x
  3. Step 3: Cross multiply
    156,897.06x = 235,345.23 × 68,139.06
  4. Step 4: Simplify right side
    156,897.06x = 16,036,202,747.68
  5. Step 5: Solve for x
    x = 16,036,202,747.68/156,897.06
  6. Step 6: Final answer
    x = 102,208.43

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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.