Home / 156,236.81-235,020.42-141,622.20

Finding the Fourth Proportional to 156,236.81, 235,020.42 and 141,622.20

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Solution

The fourth proportional to 156,236.81, 235,020.42 and 141,622.20 is: 213,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.81 : 235,020.42 = 141,622.20 : x
  2. Step 2: Convert to fraction form
    156,236.81/235,020.42 = 141,622.20/x
  3. Step 3: Cross multiply
    156,236.81x = 235,020.42 × 141,622.20
  4. Step 4: Simplify right side
    156,236.81x = 33,284,108,925.32
  5. Step 5: Solve for x
    x = 33,284,108,925.32/156,236.81
  6. Step 6: Final answer
    x = 213,036.29

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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.