Home / 165,074.76-247,572.54-76,243.08

Finding the Fourth Proportional to 165,074.76, 247,572.54 and 76,243.08

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Solution

The fourth proportional to 165,074.76, 247,572.54 and 76,243.08 is: 114,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074.76 : 247,572.54 = 76,243.08 : x
  2. Step 2: Convert to fraction form
    165,074.76/247,572.54 = 76,243.08/x
  3. Step 3: Cross multiply
    165,074.76x = 247,572.54 × 76,243.08
  4. Step 4: Simplify right side
    165,074.76x = 18,875,692,973.02
  5. Step 5: Solve for x
    x = 18,875,692,973.02/165,074.76
  6. Step 6: Final answer
    x = 114,346.33

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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.