Home / 116,003.60-174,005.40-80,574.20

Finding the Fourth Proportional to 116,003.60, 174,005.40 and 80,574.20

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Solution

The fourth proportional to 116,003.60, 174,005.40 and 80,574.20 is: 120,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,003.60 : 174,005.40 = 80,574.20 : x
  2. Step 2: Convert to fraction form
    116,003.60/174,005.40 = 80,574.20/x
  3. Step 3: Cross multiply
    116,003.60x = 174,005.40 × 80,574.20
  4. Step 4: Simplify right side
    116,003.60x = 14,020,345,900.68
  5. Step 5: Solve for x
    x = 14,020,345,900.68/116,003.60
  6. Step 6: Final answer
    x = 120,861.30

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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.