Home / 168,644.32-252,957.36-85,536.16

Finding the Fourth Proportional to 168,644.32, 252,957.36 and 85,536.16

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Solution

The fourth proportional to 168,644.32, 252,957.36 and 85,536.16 is: 128,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,644.32 : 252,957.36 = 85,536.16 : x
  2. Step 2: Convert to fraction form
    168,644.32/252,957.36 = 85,536.16/x
  3. Step 3: Cross multiply
    168,644.32x = 252,957.36 × 85,536.16
  4. Step 4: Simplify right side
    168,644.32x = 21,637,001,218.14
  5. Step 5: Solve for x
    x = 21,637,001,218.14/168,644.32
  6. Step 6: Final answer
    x = 128,299.61

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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.