Home / 179,655.30-247,861.69-115,160.10

Finding the Fourth Proportional to 179,655.30, 247,861.69 and 115,160.10

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Solution

The fourth proportional to 179,655.30, 247,861.69 and 115,160.10 is: 158,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,655.30 : 247,861.69 = 115,160.10 : x
  2. Step 2: Convert to fraction form
    179,655.30/247,861.69 = 115,160.10/x
  3. Step 3: Cross multiply
    179,655.30x = 247,861.69 × 115,160.10
  4. Step 4: Simplify right side
    179,655.30x = 28,543,777,006.57
  5. Step 5: Solve for x
    x = 28,543,777,006.57/179,655.30
  6. Step 6: Final answer
    x = 158,880.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.