Home / 156,898.06-235,346.73-68,140.06

Finding the Fourth Proportional to 156,898.06, 235,346.73 and 68,140.06

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Solution

The fourth proportional to 156,898.06, 235,346.73 and 68,140.06 is: 102,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,898.06 : 235,346.73 = 68,140.06 : x
  2. Step 2: Convert to fraction form
    156,898.06/235,346.73 = 68,140.06/x
  3. Step 3: Cross multiply
    156,898.06x = 235,346.73 × 68,140.06
  4. Step 4: Simplify right side
    156,898.06x = 16,036,540,303.00
  5. Step 5: Solve for x
    x = 16,036,540,303.00/156,898.06
  6. Step 6: Final answer
    x = 102,209.93

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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.