Home / 156,945.49-235,285.59-68,132.23

Finding the Fourth Proportional to 156,945.49, 235,285.59 and 68,132.23

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Solution

The fourth proportional to 156,945.49, 235,285.59 and 68,132.23 is: 102,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.49 : 235,285.59 = 68,132.23 : x
  2. Step 2: Convert to fraction form
    156,945.49/235,285.59 = 68,132.23/x
  3. Step 3: Cross multiply
    156,945.49x = 235,285.59 × 68,132.23
  4. Step 4: Simplify right side
    156,945.49x = 16,030,531,933.57
  5. Step 5: Solve for x
    x = 16,030,531,933.57/156,945.49
  6. Step 6: Final answer
    x = 102,140.76

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1.5x scale

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.