Home / 133,788.23-184,724.63-86,124.61

Finding the Fourth Proportional to 133,788.23, 184,724.63 and 86,124.61

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Solution

The fourth proportional to 133,788.23, 184,724.63 and 86,124.61 is: 118,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.23 : 184,724.63 = 86,124.61 : x
  2. Step 2: Convert to fraction form
    133,788.23/184,724.63 = 86,124.61/x
  3. Step 3: Cross multiply
    133,788.23x = 184,724.63 × 86,124.61
  4. Step 4: Simplify right side
    133,788.23x = 15,909,336,285.52
  5. Step 5: Solve for x
    x = 15,909,336,285.52/133,788.23
  6. Step 6: Final answer
    x = 118,914.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.