Home / 156,736.08-216,295.74-85,116.11

Finding the Fourth Proportional to 156,736.08, 216,295.74 and 85,116.11

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Solution

The fourth proportional to 156,736.08, 216,295.74 and 85,116.11 is: 117,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.08 : 216,295.74 = 85,116.11 : x
  2. Step 2: Convert to fraction form
    156,736.08/216,295.74 = 85,116.11/x
  3. Step 3: Cross multiply
    156,736.08x = 216,295.74 × 85,116.11
  4. Step 4: Simplify right side
    156,736.08x = 18,410,250,916.89
  5. Step 5: Solve for x
    x = 18,410,250,916.89/156,736.08
  6. Step 6: Final answer
    x = 117,460.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.