Home / 156,832.39-235,116.34-68,019.00

Finding the Fourth Proportional to 156,832.39, 235,116.34 and 68,019.00

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Solution

The fourth proportional to 156,832.39, 235,116.34 and 68,019.00 is: 101,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,832.39 : 235,116.34 = 68,019.00 : x
  2. Step 2: Convert to fraction form
    156,832.39/235,116.34 = 68,019.00/x
  3. Step 3: Cross multiply
    156,832.39x = 235,116.34 × 68,019.00
  4. Step 4: Simplify right side
    156,832.39x = 15,992,379,075.37
  5. Step 5: Solve for x
    x = 15,992,379,075.37/156,832.39
  6. Step 6: Final answer
    x = 101,971.15

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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.