Home / 191,816.88-264,704.40-106,931.76

Finding the Fourth Proportional to 191,816.88, 264,704.40 and 106,931.76

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Solution

The fourth proportional to 191,816.88, 264,704.40 and 106,931.76 is: 147,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,816.88 : 264,704.40 = 106,931.76 : x
  2. Step 2: Convert to fraction form
    191,816.88/264,704.40 = 106,931.76/x
  3. Step 3: Cross multiply
    191,816.88x = 264,704.40 × 106,931.76
  4. Step 4: Simplify right side
    191,816.88x = 28,305,307,371.74
  5. Step 5: Solve for x
    x = 28,305,307,371.74/191,816.88
  6. Step 6: Final answer
    x = 147,564.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.