Home / 102,614.20-153,629.70-92,116.60

Finding the Fourth Proportional to 102,614.20, 153,629.70 and 92,116.60

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Solution

The fourth proportional to 102,614.20, 153,629.70 and 92,116.60 is: 137,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,614.20 : 153,629.70 = 92,116.60 : x
  2. Step 2: Convert to fraction form
    102,614.20/153,629.70 = 92,116.60/x
  3. Step 3: Cross multiply
    102,614.20x = 153,629.70 × 92,116.60
  4. Step 4: Simplify right side
    102,614.20x = 14,151,845,623.02
  5. Step 5: Solve for x
    x = 14,151,845,623.02/102,614.20
  6. Step 6: Final answer
    x = 137,913.13

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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.