Home / 156,735.27-216,329.10-103,025.28

Finding the Fourth Proportional to 156,735.27, 216,329.10 and 103,025.28

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Solution

The fourth proportional to 156,735.27, 216,329.10 and 103,025.28 is: 142,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.27 : 216,329.10 = 103,025.28 : x
  2. Step 2: Convert to fraction form
    156,735.27/216,329.10 = 103,025.28/x
  3. Step 3: Cross multiply
    156,735.27x = 216,329.10 × 103,025.28
  4. Step 4: Simplify right side
    156,735.27x = 22,287,366,099.65
  5. Step 5: Solve for x
    x = 22,287,366,099.65/156,735.27
  6. Step 6: Final answer
    x = 142,197.52

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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.