Home / 160,915.68-241,399.85-66,120.57

Finding the Fourth Proportional to 160,915.68, 241,399.85 and 66,120.57

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Solution

The fourth proportional to 160,915.68, 241,399.85 and 66,120.57 is: 99,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,915.68 : 241,399.85 = 66,120.57 : x
  2. Step 2: Convert to fraction form
    160,915.68/241,399.85 = 66,120.57/x
  3. Step 3: Cross multiply
    160,915.68x = 241,399.85 × 66,120.57
  4. Step 4: Simplify right side
    160,915.68x = 15,961,495,349.31
  5. Step 5: Solve for x
    x = 15,961,495,349.31/160,915.68
  6. Step 6: Final answer
    x = 99,191.67

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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.