Home / 156,203.13-234,256.26-56,350.35

Finding the Fourth Proportional to 156,203.13, 234,256.26 and 56,350.35

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Solution

The fourth proportional to 156,203.13, 234,256.26 and 56,350.35 is: 84,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,203.13 : 234,256.26 = 56,350.35 : x
  2. Step 2: Convert to fraction form
    156,203.13/234,256.26 = 56,350.35/x
  3. Step 3: Cross multiply
    156,203.13x = 234,256.26 × 56,350.35
  4. Step 4: Simplify right side
    156,203.13x = 13,200,422,240.69
  5. Step 5: Solve for x
    x = 13,200,422,240.69/156,203.13
  6. Step 6: Final answer
    x = 84,508.05

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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.