Home / 156,694.90-235,042.35-133,075.30

Finding the Fourth Proportional to 156,694.90, 235,042.35 and 133,075.30

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Solution

The fourth proportional to 156,694.90, 235,042.35 and 133,075.30 is: 199,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,694.90 : 235,042.35 = 133,075.30 : x
  2. Step 2: Convert to fraction form
    156,694.90/235,042.35 = 133,075.30/x
  3. Step 3: Cross multiply
    156,694.90x = 235,042.35 × 133,075.30
  4. Step 4: Simplify right side
    156,694.90x = 31,278,331,238.96
  5. Step 5: Solve for x
    x = 31,278,331,238.96/156,694.90
  6. Step 6: Final answer
    x = 199,612.95

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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.