Home / 156,742.30-235,011.21-56,883.58

Finding the Fourth Proportional to 156,742.30, 235,011.21 and 56,883.58

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Solution

The fourth proportional to 156,742.30, 235,011.21 and 56,883.58 is: 85,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.30 : 235,011.21 = 56,883.58 : x
  2. Step 2: Convert to fraction form
    156,742.30/235,011.21 = 56,883.58/x
  3. Step 3: Cross multiply
    156,742.30x = 235,011.21 × 56,883.58
  4. Step 4: Simplify right side
    156,742.30x = 13,368,278,964.93
  5. Step 5: Solve for x
    x = 13,368,278,964.93/156,742.30
  6. Step 6: Final answer
    x = 85,288.27

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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.