Home / 156,941.58-216,800.10-142,769.82

Finding the Fourth Proportional to 156,941.58, 216,800.10 and 142,769.82

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Solution

The fourth proportional to 156,941.58, 216,800.10 and 142,769.82 is: 197,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.58 : 216,800.10 = 142,769.82 : x
  2. Step 2: Convert to fraction form
    156,941.58/216,800.10 = 142,769.82/x
  3. Step 3: Cross multiply
    156,941.58x = 216,800.10 × 142,769.82
  4. Step 4: Simplify right side
    156,941.58x = 30,952,511,252.98
  5. Step 5: Solve for x
    x = 30,952,511,252.98/156,941.58
  6. Step 6: Final answer
    x = 197,223.14

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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.