Home / 156,619.63-234,929.45-38,289.57

Finding the Fourth Proportional to 156,619.63, 234,929.45 and 38,289.57

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Solution

The fourth proportional to 156,619.63, 234,929.45 and 38,289.57 is: 57,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619.63 : 234,929.45 = 38,289.57 : x
  2. Step 2: Convert to fraction form
    156,619.63/234,929.45 = 38,289.57/x
  3. Step 3: Cross multiply
    156,619.63x = 234,929.45 × 38,289.57
  4. Step 4: Simplify right side
    156,619.63x = 8,995,347,620.84
  5. Step 5: Solve for x
    x = 8,995,347,620.84/156,619.63
  6. Step 6: Final answer
    x = 57,434.36

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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.