Home / 104,192.50-155,373.61-103,245.20

Finding the Fourth Proportional to 104,192.50, 155,373.61 and 103,245.20

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Solution

The fourth proportional to 104,192.50, 155,373.61 and 103,245.20 is: 153,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.50 : 155,373.61 = 103,245.20 : x
  2. Step 2: Convert to fraction form
    104,192.50/155,373.61 = 103,245.20/x
  3. Step 3: Cross multiply
    104,192.50x = 155,373.61 × 103,245.20
  4. Step 4: Simplify right side
    104,192.50x = 16,041,579,439.17
  5. Step 5: Solve for x
    x = 16,041,579,439.17/104,192.50
  6. Step 6: Final answer
    x = 153,960.98

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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.