Home / 128,200.86-192,266.73-58,009.50

Finding the Fourth Proportional to 128,200.86, 192,266.73 and 58,009.50

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Solution

The fourth proportional to 128,200.86, 192,266.73 and 58,009.50 is: 86,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,200.86 : 192,266.73 = 58,009.50 : x
  2. Step 2: Convert to fraction form
    128,200.86/192,266.73 = 58,009.50/x
  3. Step 3: Cross multiply
    128,200.86x = 192,266.73 × 58,009.50
  4. Step 4: Simplify right side
    128,200.86x = 11,153,296,873.94
  5. Step 5: Solve for x
    x = 11,153,296,873.94/128,200.86
  6. Step 6: Final answer
    x = 86,998.61

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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.