Home / 156,969.90-235,449.63-68,223.51

Finding the Fourth Proportional to 156,969.90, 235,449.63 and 68,223.51

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Solution

The fourth proportional to 156,969.90, 235,449.63 and 68,223.51 is: 102,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.90 : 235,449.63 = 68,223.51 : x
  2. Step 2: Convert to fraction form
    156,969.90/235,449.63 = 68,223.51/x
  3. Step 3: Cross multiply
    156,969.90x = 235,449.63 × 68,223.51
  4. Step 4: Simplify right side
    156,969.90x = 16,063,200,186.80
  5. Step 5: Solve for x
    x = 16,063,200,186.80/156,969.90
  6. Step 6: Final answer
    x = 102,333.00

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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.