Home / 156,929.60-235,394.40-109,690.40

Finding the Fourth Proportional to 156,929.60, 235,394.40 and 109,690.40

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Solution

The fourth proportional to 156,929.60, 235,394.40 and 109,690.40 is: 164,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,929.60 : 235,394.40 = 109,690.40 : x
  2. Step 2: Convert to fraction form
    156,929.60/235,394.40 = 109,690.40/x
  3. Step 3: Cross multiply
    156,929.60x = 235,394.40 × 109,690.40
  4. Step 4: Simplify right side
    156,929.60x = 25,820,505,893.76
  5. Step 5: Solve for x
    x = 25,820,505,893.76/156,929.60
  6. Step 6: Final answer
    x = 164,535.60

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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.