Home / 156,802.32-235,243.08-68,034.24

Finding the Fourth Proportional to 156,802.32, 235,243.08 and 68,034.24

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Solution

The fourth proportional to 156,802.32, 235,243.08 and 68,034.24 is: 102,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,802.32 : 235,243.08 = 68,034.24 : x
  2. Step 2: Convert to fraction form
    156,802.32/235,243.08 = 68,034.24/x
  3. Step 3: Cross multiply
    156,802.32x = 235,243.08 × 68,034.24
  4. Step 4: Simplify right side
    156,802.32x = 16,004,584,163.06
  5. Step 5: Solve for x
    x = 16,004,584,163.06/156,802.32
  6. Step 6: Final answer
    x = 102,068.54

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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.