Home / 156,916.60-235,374.90-109,677.40

Finding the Fourth Proportional to 156,916.60, 235,374.90 and 109,677.40

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Solution

The fourth proportional to 156,916.60, 235,374.90 and 109,677.40 is: 164,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.60 : 235,374.90 = 109,677.40 : x
  2. Step 2: Convert to fraction form
    156,916.60/235,374.90 = 109,677.40/x
  3. Step 3: Cross multiply
    156,916.60x = 235,374.90 × 109,677.40
  4. Step 4: Simplify right side
    156,916.60x = 25,815,307,057.26
  5. Step 5: Solve for x
    x = 25,815,307,057.26/156,916.60
  6. Step 6: Final answer
    x = 164,516.10

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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.