Home / 179,053.20-247,081.37-102,572.60

Finding the Fourth Proportional to 179,053.20, 247,081.37 and 102,572.60

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Solution

The fourth proportional to 179,053.20, 247,081.37 and 102,572.60 is: 141,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,053.20 : 247,081.37 = 102,572.60 : x
  2. Step 2: Convert to fraction form
    179,053.20/247,081.37 = 102,572.60/x
  3. Step 3: Cross multiply
    179,053.20x = 247,081.37 × 102,572.60
  4. Step 4: Simplify right side
    179,053.20x = 25,343,776,784.19
  5. Step 5: Solve for x
    x = 25,343,776,784.19/179,053.20
  6. Step 6: Final answer
    x = 141,543.28

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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.