Home / 156,841.58-235,130.12-68,028.20

Finding the Fourth Proportional to 156,841.58, 235,130.12 and 68,028.20

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Solution

The fourth proportional to 156,841.58, 235,130.12 and 68,028.20 is: 101,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,841.58 : 235,130.12 = 68,028.20 : x
  2. Step 2: Convert to fraction form
    156,841.58/235,130.12 = 68,028.20/x
  3. Step 3: Cross multiply
    156,841.58x = 235,130.12 × 68,028.20
  4. Step 4: Simplify right side
    156,841.58x = 15,995,477,313.59
  5. Step 5: Solve for x
    x = 15,995,477,313.59/156,841.58
  6. Step 6: Final answer
    x = 101,984.93

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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.