Home / 156,786.10-235,179.15-112,827.40

Finding the Fourth Proportional to 156,786.10, 235,179.15 and 112,827.40

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Solution

The fourth proportional to 156,786.10, 235,179.15 and 112,827.40 is: 169,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,786.10 : 235,179.15 = 112,827.40 : x
  2. Step 2: Convert to fraction form
    156,786.10/235,179.15 = 112,827.40/x
  3. Step 3: Cross multiply
    156,786.10x = 235,179.15 × 112,827.40
  4. Step 4: Simplify right side
    156,786.10x = 26,534,652,028.71
  5. Step 5: Solve for x
    x = 26,534,652,028.71/156,786.10
  6. Step 6: Final answer
    x = 169,241.10

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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.