Home / 156,743.60-235,115.40-109,504.40

Finding the Fourth Proportional to 156,743.60, 235,115.40 and 109,504.40

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Solution

The fourth proportional to 156,743.60, 235,115.40 and 109,504.40 is: 164,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.60 : 235,115.40 = 109,504.40 : x
  2. Step 2: Convert to fraction form
    156,743.60/235,115.40 = 109,504.40/x
  3. Step 3: Cross multiply
    156,743.60x = 235,115.40 × 109,504.40
  4. Step 4: Simplify right side
    156,743.60x = 25,746,170,807.76
  5. Step 5: Solve for x
    x = 25,746,170,807.76/156,743.60
  6. Step 6: Final answer
    x = 164,256.60

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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.