Home / 128,664.86-193,036.37-62,092.58

Finding the Fourth Proportional to 128,664.86, 193,036.37 and 62,092.58

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Solution

The fourth proportional to 128,664.86, 193,036.37 and 62,092.58 is: 93,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,664.86 : 193,036.37 = 62,092.58 : x
  2. Step 2: Convert to fraction form
    128,664.86/193,036.37 = 62,092.58/x
  3. Step 3: Cross multiply
    128,664.86x = 193,036.37 × 62,092.58
  4. Step 4: Simplify right side
    128,664.86x = 11,986,124,971.49
  5. Step 5: Solve for x
    x = 11,986,124,971.49/128,664.86
  6. Step 6: Final answer
    x = 93,157.72

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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.