Home / 156,422.16-234,099.36-99,467.28

Finding the Fourth Proportional to 156,422.16, 234,099.36 and 99,467.28

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Solution

The fourth proportional to 156,422.16, 234,099.36 and 99,467.28 is: 148,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422.16 : 234,099.36 = 99,467.28 : x
  2. Step 2: Convert to fraction form
    156,422.16/234,099.36 = 99,467.28/x
  3. Step 3: Cross multiply
    156,422.16x = 234,099.36 × 99,467.28
  4. Step 4: Simplify right side
    156,422.16x = 23,285,226,588.94
  5. Step 5: Solve for x
    x = 23,285,226,588.94/156,422.16
  6. Step 6: Final answer
    x = 148,861.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.