Home / 156,821.32-235,271.60-68,053.24

Finding the Fourth Proportional to 156,821.32, 235,271.60 and 68,053.24

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Solution

The fourth proportional to 156,821.32, 235,271.60 and 68,053.24 is: 102,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.32 : 235,271.60 = 68,053.24 : x
  2. Step 2: Convert to fraction form
    156,821.32/235,271.60 = 68,053.24/x
  3. Step 3: Cross multiply
    156,821.32x = 235,271.60 × 68,053.24
  4. Step 4: Simplify right side
    156,821.32x = 16,010,994,659.98
  5. Step 5: Solve for x
    x = 16,010,994,659.98/156,821.32
  6. Step 6: Final answer
    x = 102,097.05

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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.