Home / 156,700.80-235,051.20-106,181.10

Finding the Fourth Proportional to 156,700.80, 235,051.20 and 106,181.10

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Solution

The fourth proportional to 156,700.80, 235,051.20 and 106,181.10 is: 159,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.80 : 235,051.20 = 106,181.10 : x
  2. Step 2: Convert to fraction form
    156,700.80/235,051.20 = 106,181.10/x
  3. Step 3: Cross multiply
    156,700.80x = 235,051.20 × 106,181.10
  4. Step 4: Simplify right side
    156,700.80x = 24,957,994,972.32
  5. Step 5: Solve for x
    x = 24,957,994,972.32/156,700.80
  6. Step 6: Final answer
    x = 159,271.65

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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.