Home / 156,982.15-235,473.23-57,145.60

Finding the Fourth Proportional to 156,982.15, 235,473.23 and 57,145.60

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Solution

The fourth proportional to 156,982.15, 235,473.23 and 57,145.60 is: 85,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.15 : 235,473.23 = 57,145.60 : x
  2. Step 2: Convert to fraction form
    156,982.15/235,473.23 = 57,145.60/x
  3. Step 3: Cross multiply
    156,982.15x = 235,473.23 × 57,145.60
  4. Step 4: Simplify right side
    156,982.15x = 13,456,259,012.29
  5. Step 5: Solve for x
    x = 13,456,259,012.29/156,982.15
  6. Step 6: Final answer
    x = 85,718.40

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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.