Home / 156,969.55-235,454.33-109,730.35

Finding the Fourth Proportional to 156,969.55, 235,454.33 and 109,730.35

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Solution

The fourth proportional to 156,969.55, 235,454.33 and 109,730.35 is: 164,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.55 : 235,454.33 = 109,730.35 : x
  2. Step 2: Convert to fraction form
    156,969.55/235,454.33 = 109,730.35/x
  3. Step 3: Cross multiply
    156,969.55x = 235,454.33 × 109,730.35
  4. Step 4: Simplify right side
    156,969.55x = 25,836,486,039.92
  5. Step 5: Solve for x
    x = 25,836,486,039.92/156,969.55
  6. Step 6: Final answer
    x = 164,595.53

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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.