Home / 120,857.08-181,099.32-64,704.64

Finding the Fourth Proportional to 120,857.08, 181,099.32 and 64,704.64

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Solution

The fourth proportional to 120,857.08, 181,099.32 and 64,704.64 is: 96,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,857.08 : 181,099.32 = 64,704.64 : x
  2. Step 2: Convert to fraction form
    120,857.08/181,099.32 = 64,704.64/x
  3. Step 3: Cross multiply
    120,857.08x = 181,099.32 × 64,704.64
  4. Step 4: Simplify right side
    120,857.08x = 11,717,966,304.84
  5. Step 5: Solve for x
    x = 11,717,966,304.84/120,857.08
  6. Step 6: Final answer
    x = 96,957.22

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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.