Home / 156,171.23-234,157.75-132,486.93

Finding the Fourth Proportional to 156,171.23, 234,157.75 and 132,486.93

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Solution

The fourth proportional to 156,171.23, 234,157.75 and 132,486.93 is: 198,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,171.23 : 234,157.75 = 132,486.93 : x
  2. Step 2: Convert to fraction form
    156,171.23/234,157.75 = 132,486.93/x
  3. Step 3: Cross multiply
    156,171.23x = 234,157.75 × 132,486.93
  4. Step 4: Simplify right side
    156,171.23x = 31,022,841,101.99
  5. Step 5: Solve for x
    x = 31,022,841,101.99/156,171.23
  6. Step 6: Final answer
    x = 198,646.32

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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.