Home / 156,071.25-234,145.76-45,263.25

Finding the Fourth Proportional to 156,071.25, 234,145.76 and 45,263.25

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Solution

The fourth proportional to 156,071.25, 234,145.76 and 45,263.25 is: 67,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,071.25 : 234,145.76 = 45,263.25 : x
  2. Step 2: Convert to fraction form
    156,071.25/234,145.76 = 45,263.25/x
  3. Step 3: Cross multiply
    156,071.25x = 234,145.76 × 45,263.25
  4. Step 4: Simplify right side
    156,071.25x = 10,598,197,845.00
  5. Step 5: Solve for x
    x = 10,598,197,845.00/156,071.25
  6. Step 6: Final answer
    x = 67,906.15

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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.