Home / 156,701.13-235,145.09-56,869.12

Finding the Fourth Proportional to 156,701.13, 235,145.09 and 56,869.12

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Solution

The fourth proportional to 156,701.13, 235,145.09 and 56,869.12 is: 85,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.13 : 235,145.09 = 56,869.12 : x
  2. Step 2: Convert to fraction form
    156,701.13/235,145.09 = 56,869.12/x
  3. Step 3: Cross multiply
    156,701.13x = 235,145.09 × 56,869.12
  4. Step 4: Simplify right side
    156,701.13x = 13,372,494,340.62
  5. Step 5: Solve for x
    x = 13,372,494,340.62/156,701.13
  6. Step 6: Final answer
    x = 85,337.57

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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.