Home / 156,974.60-235,461.90-109,735.40

Finding the Fourth Proportional to 156,974.60, 235,461.90 and 109,735.40

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Solution

The fourth proportional to 156,974.60, 235,461.90 and 109,735.40 is: 164,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.60 : 235,461.90 = 109,735.40 : x
  2. Step 2: Convert to fraction form
    156,974.60/235,461.90 = 109,735.40/x
  3. Step 3: Cross multiply
    156,974.60x = 235,461.90 × 109,735.40
  4. Step 4: Simplify right side
    156,974.60x = 25,838,505,781.26
  5. Step 5: Solve for x
    x = 25,838,505,781.26/156,974.60
  6. Step 6: Final answer
    x = 164,603.10

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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.