Home / 179,430.56-247,620.66-111,485

Finding the Fourth Proportional to 179,430.56, 247,620.66 and 111,485

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Solution

The fourth proportional to 179,430.56, 247,620.66 and 111,485 is: 153,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.56 : 247,620.66 = 111,485 : x
  2. Step 2: Convert to fraction form
    179,430.56/247,620.66 = 111,485/x
  3. Step 3: Cross multiply
    179,430.56x = 247,620.66 × 111,485
  4. Step 4: Simplify right side
    179,430.56x = 27,605,989,280.10
  5. Step 5: Solve for x
    x = 27,605,989,280.10/179,430.56
  6. Step 6: Final answer
    x = 153,853.33

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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.