Home / 156,569.50-216,059.61-84,946.78

Finding the Fourth Proportional to 156,569.50, 216,059.61 and 84,946.78

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Solution

The fourth proportional to 156,569.50, 216,059.61 and 84,946.78 is: 117,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,569.50 : 216,059.61 = 84,946.78 : x
  2. Step 2: Convert to fraction form
    156,569.50/216,059.61 = 84,946.78/x
  3. Step 3: Cross multiply
    156,569.50x = 216,059.61 × 84,946.78
  4. Step 4: Simplify right side
    156,569.50x = 18,353,568,157.56
  5. Step 5: Solve for x
    x = 18,353,568,157.56/156,569.50
  6. Step 6: Final answer
    x = 117,223.14

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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.