Home / 156,936.74-235,403.04-38,609.10

Finding the Fourth Proportional to 156,936.74, 235,403.04 and 38,609.10

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Solution

The fourth proportional to 156,936.74, 235,403.04 and 38,609.10 is: 57,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.74 : 235,403.04 = 38,609.10 : x
  2. Step 2: Convert to fraction form
    156,936.74/235,403.04 = 38,609.10/x
  3. Step 3: Cross multiply
    156,936.74x = 235,403.04 × 38,609.10
  4. Step 4: Simplify right side
    156,936.74x = 9,088,699,511.66
  5. Step 5: Solve for x
    x = 9,088,699,511.66/156,936.74
  6. Step 6: Final answer
    x = 57,913.14

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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.