Home / 156,967.40-235,451.10-103,823.30

Finding the Fourth Proportional to 156,967.40, 235,451.10 and 103,823.30

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Solution

The fourth proportional to 156,967.40, 235,451.10 and 103,823.30 is: 155,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.40 : 235,451.10 = 103,823.30 : x
  2. Step 2: Convert to fraction form
    156,967.40/235,451.10 = 103,823.30/x
  3. Step 3: Cross multiply
    156,967.40x = 235,451.10 × 103,823.30
  4. Step 4: Simplify right side
    156,967.40x = 24,445,310,190.63
  5. Step 5: Solve for x
    x = 24,445,310,190.63/156,967.40
  6. Step 6: Final answer
    x = 155,734.95

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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.