Home / 156,434.02-234,646.44-38,103.64

Finding the Fourth Proportional to 156,434.02, 234,646.44 and 38,103.64

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Solution

The fourth proportional to 156,434.02, 234,646.44 and 38,103.64 is: 57,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,434.02 : 234,646.44 = 38,103.64 : x
  2. Step 2: Convert to fraction form
    156,434.02/234,646.44 = 38,103.64/x
  3. Step 3: Cross multiply
    156,434.02x = 234,646.44 × 38,103.64
  4. Step 4: Simplify right side
    156,434.02x = 8,940,883,477.04
  5. Step 5: Solve for x
    x = 8,940,883,477.04/156,434.02
  6. Step 6: Final answer
    x = 57,154.34

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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.