Home / 117,945.18-176,811.48-43,012.74

Finding the Fourth Proportional to 117,945.18, 176,811.48 and 43,012.74

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Solution

The fourth proportional to 117,945.18, 176,811.48 and 43,012.74 is: 64,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,945.18 : 176,811.48 = 43,012.74 : x
  2. Step 2: Convert to fraction form
    117,945.18/176,811.48 = 43,012.74/x
  3. Step 3: Cross multiply
    117,945.18x = 176,811.48 × 43,012.74
  4. Step 4: Simplify right side
    117,945.18x = 7,605,146,218.26
  5. Step 5: Solve for x
    x = 7,605,146,218.26/117,945.18
  6. Step 6: Final answer
    x = 64,480.35

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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.