Home / 168,583.10-252,947.55-85,477.10

Finding the Fourth Proportional to 168,583.10, 252,947.55 and 85,477.10

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Solution

The fourth proportional to 168,583.10, 252,947.55 and 85,477.10 is: 128,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,583.10 : 252,947.55 = 85,477.10 : x
  2. Step 2: Convert to fraction form
    168,583.10/252,947.55 = 85,477.10/x
  3. Step 3: Cross multiply
    168,583.10x = 252,947.55 × 85,477.10
  4. Step 4: Simplify right side
    168,583.10x = 21,621,223,026.11
  5. Step 5: Solve for x
    x = 21,621,223,026.11/168,583.10
  6. Step 6: Final answer
    x = 128,252.61

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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.