Home / 156,949.23-216,587.52-85,328.62

Finding the Fourth Proportional to 156,949.23, 216,587.52 and 85,328.62

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Solution

The fourth proportional to 156,949.23, 216,587.52 and 85,328.62 is: 117,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.23 : 216,587.52 = 85,328.62 : x
  2. Step 2: Convert to fraction form
    156,949.23/216,587.52 = 85,328.62/x
  3. Step 3: Cross multiply
    156,949.23x = 216,587.52 × 85,328.62
  4. Step 4: Simplify right side
    156,949.23x = 18,481,114,190.82
  5. Step 5: Solve for x
    x = 18,481,114,190.82/156,949.23
  6. Step 6: Final answer
    x = 117,752.18

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1.5x scale

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.