Home / 170,658.08-256,000.80-45,997.28

Finding the Fourth Proportional to 170,658.08, 256,000.80 and 45,997.28

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Solution

The fourth proportional to 170,658.08, 256,000.80 and 45,997.28 is: 68,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,658.08 : 256,000.80 = 45,997.28 : x
  2. Step 2: Convert to fraction form
    170,658.08/256,000.80 = 45,997.28/x
  3. Step 3: Cross multiply
    170,658.08x = 256,000.80 × 45,997.28
  4. Step 4: Simplify right side
    170,658.08x = 11,775,340,477.82
  5. Step 5: Solve for x
    x = 11,775,340,477.82/170,658.08
  6. Step 6: Final answer
    x = 68,999.61

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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.