Home / 117,820.67-175,398.50-117,120.14

Finding the Fourth Proportional to 117,820.67, 175,398.50 and 117,120.14

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Solution

The fourth proportional to 117,820.67, 175,398.50 and 117,120.14 is: 174,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,820.67 : 175,398.50 = 117,120.14 : x
  2. Step 2: Convert to fraction form
    117,820.67/175,398.50 = 117,120.14/x
  3. Step 3: Cross multiply
    117,820.67x = 175,398.50 × 117,120.14
  4. Step 4: Simplify right side
    117,820.67x = 20,542,696,875.79
  5. Step 5: Solve for x
    x = 20,542,696,875.79/117,820.67
  6. Step 6: Final answer
    x = 174,355.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.