Home / 156,975.55-235,461.21-38,647.87

Finding the Fourth Proportional to 156,975.55, 235,461.21 and 38,647.87

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Solution

The fourth proportional to 156,975.55, 235,461.21 and 38,647.87 is: 57,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.55 : 235,461.21 = 38,647.87 : x
  2. Step 2: Convert to fraction form
    156,975.55/235,461.21 = 38,647.87/x
  3. Step 3: Cross multiply
    156,975.55x = 235,461.21 × 38,647.87
  4. Step 4: Simplify right side
    156,975.55x = 9,100,074,234.12
  5. Step 5: Solve for x
    x = 9,100,074,234.12/156,975.55
  6. Step 6: Final answer
    x = 57,971.28

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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.