Home / 156,907.90-235,229.59-68,094.51

Finding the Fourth Proportional to 156,907.90, 235,229.59 and 68,094.51

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Solution

The fourth proportional to 156,907.90, 235,229.59 and 68,094.51 is: 102,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,907.90 : 235,229.59 = 68,094.51 : x
  2. Step 2: Convert to fraction form
    156,907.90/235,229.59 = 68,094.51/x
  3. Step 3: Cross multiply
    156,907.90x = 235,229.59 × 68,094.51
  4. Step 4: Simplify right side
    156,907.90x = 16,017,843,668.55
  5. Step 5: Solve for x
    x = 16,017,843,668.55/156,907.90
  6. Step 6: Final answer
    x = 102,084.37

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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.