Home / 156,997.49-216,662.22-89,942.45

Finding the Fourth Proportional to 156,997.49, 216,662.22 and 89,942.45

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Solution

The fourth proportional to 156,997.49, 216,662.22 and 89,942.45 is: 124,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,997.49 : 216,662.22 = 89,942.45 : x
  2. Step 2: Convert to fraction form
    156,997.49/216,662.22 = 89,942.45/x
  3. Step 3: Cross multiply
    156,997.49x = 216,662.22 × 89,942.45
  4. Step 4: Simplify right side
    156,997.49x = 19,487,130,889.24
  5. Step 5: Solve for x
    x = 19,487,130,889.24/156,997.49
  6. Step 6: Final answer
    x = 124,123.84

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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.