Home / 109,050.20-164,012.70-97,677.80

Finding the Fourth Proportional to 109,050.20, 164,012.70 and 97,677.80

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Solution

The fourth proportional to 109,050.20, 164,012.70 and 97,677.80 is: 146,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,050.20 : 164,012.70 = 97,677.80 : x
  2. Step 2: Convert to fraction form
    109,050.20/164,012.70 = 97,677.80/x
  3. Step 3: Cross multiply
    109,050.20x = 164,012.70 × 97,677.80
  4. Step 4: Simplify right side
    109,050.20x = 16,020,399,708.06
  5. Step 5: Solve for x
    x = 16,020,399,708.06/109,050.20
  6. Step 6: Final answer
    x = 146,908.49

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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.