Home / 179,162.47-247,161.54-115,520.77

Finding the Fourth Proportional to 179,162.47, 247,161.54 and 115,520.77

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Solution

The fourth proportional to 179,162.47, 247,161.54 and 115,520.77 is: 159,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,162.47 : 247,161.54 = 115,520.77 : x
  2. Step 2: Convert to fraction form
    179,162.47/247,161.54 = 115,520.77/x
  3. Step 3: Cross multiply
    179,162.47x = 247,161.54 × 115,520.77
  4. Step 4: Simplify right side
    179,162.47x = 28,552,291,415.19
  5. Step 5: Solve for x
    x = 28,552,291,415.19/179,162.47
  6. Step 6: Final answer
    x = 159,365.36

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1.5x scale

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.