Home / 156,946.37-216,583.42-85,328.20

Finding the Fourth Proportional to 156,946.37, 216,583.42 and 85,328.20

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Solution

The fourth proportional to 156,946.37, 216,583.42 and 85,328.20 is: 117,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.37 : 216,583.42 = 85,328.20 : x
  2. Step 2: Convert to fraction form
    156,946.37/216,583.42 = 85,328.20/x
  3. Step 3: Cross multiply
    156,946.37x = 216,583.42 × 85,328.20
  4. Step 4: Simplify right side
    156,946.37x = 18,480,673,378.44
  5. Step 5: Solve for x
    x = 18,480,673,378.44/156,946.37
  6. Step 6: Final answer
    x = 117,751.52

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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.