Home / 112,108.48-168,174.24-64,776.64

Finding the Fourth Proportional to 112,108.48, 168,174.24 and 64,776.64

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Solution

The fourth proportional to 112,108.48, 168,174.24 and 64,776.64 is: 97,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,108.48 : 168,174.24 = 64,776.64 : x
  2. Step 2: Convert to fraction form
    112,108.48/168,174.24 = 64,776.64/x
  3. Step 3: Cross multiply
    112,108.48x = 168,174.24 × 64,776.64
  4. Step 4: Simplify right side
    112,108.48x = 10,893,762,201.75
  5. Step 5: Solve for x
    x = 10,893,762,201.75/112,108.48
  6. Step 6: Final answer
    x = 97,171.62

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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.