Home / 156,877.36-235,123.26-72,523.42

Finding the Fourth Proportional to 156,877.36, 235,123.26 and 72,523.42

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Solution

The fourth proportional to 156,877.36, 235,123.26 and 72,523.42 is: 108,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,877.36 : 235,123.26 = 72,523.42 : x
  2. Step 2: Convert to fraction form
    156,877.36/235,123.26 = 72,523.42/x
  3. Step 3: Cross multiply
    156,877.36x = 235,123.26 × 72,523.42
  4. Step 4: Simplify right side
    156,877.36x = 17,051,942,936.75
  5. Step 5: Solve for x
    x = 17,051,942,936.75/156,877.36
  6. Step 6: Final answer
    x = 108,696.01

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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.