Home / 179,070.51-247,123.80-98,504.28

Finding the Fourth Proportional to 179,070.51, 247,123.80 and 98,504.28

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Solution

The fourth proportional to 179,070.51, 247,123.80 and 98,504.28 is: 135,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,070.51 : 247,123.80 = 98,504.28 : x
  2. Step 2: Convert to fraction form
    179,070.51/247,123.80 = 98,504.28/x
  3. Step 3: Cross multiply
    179,070.51x = 247,123.80 × 98,504.28
  4. Step 4: Simplify right side
    179,070.51x = 24,342,751,989.86
  5. Step 5: Solve for x
    x = 24,342,751,989.86/179,070.51
  6. Step 6: Final answer
    x = 135,939.48

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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.