Home / 109,420.20-164,130.30-93,673.80

Finding the Fourth Proportional to 109,420.20, 164,130.30 and 93,673.80

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Solution

The fourth proportional to 109,420.20, 164,130.30 and 93,673.80 is: 140,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,420.20 : 164,130.30 = 93,673.80 : x
  2. Step 2: Convert to fraction form
    109,420.20/164,130.30 = 93,673.80/x
  3. Step 3: Cross multiply
    109,420.20x = 164,130.30 × 93,673.80
  4. Step 4: Simplify right side
    109,420.20x = 15,374,708,896.14
  5. Step 5: Solve for x
    x = 15,374,708,896.14/109,420.20
  6. Step 6: Final answer
    x = 140,510.70

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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.