Home / 156,941.20-235,466.48-68,258.35

Finding the Fourth Proportional to 156,941.20, 235,466.48 and 68,258.35

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Solution

The fourth proportional to 156,941.20, 235,466.48 and 68,258.35 is: 102,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.20 : 235,466.48 = 68,258.35 : x
  2. Step 2: Convert to fraction form
    156,941.20/235,466.48 = 68,258.35/x
  3. Step 3: Cross multiply
    156,941.20x = 235,466.48 × 68,258.35
  4. Step 4: Simplify right side
    156,941.20x = 16,072,553,405.11
  5. Step 5: Solve for x
    x = 16,072,553,405.11/156,941.20
  6. Step 6: Final answer
    x = 102,411.31

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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.