Home / 156,915.88-235,285.21-143,526.06

Finding the Fourth Proportional to 156,915.88, 235,285.21 and 143,526.06

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Solution

The fourth proportional to 156,915.88, 235,285.21 and 143,526.06 is: 215,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.88 : 235,285.21 = 143,526.06 : x
  2. Step 2: Convert to fraction form
    156,915.88/235,285.21 = 143,526.06/x
  3. Step 3: Cross multiply
    156,915.88x = 235,285.21 × 143,526.06
  4. Step 4: Simplify right side
    156,915.88x = 33,769,559,167.57
  5. Step 5: Solve for x
    x = 33,769,559,167.57/156,915.88
  6. Step 6: Final answer
    x = 215,208.04

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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.