Home / 191,411.36-264,088.22-108,611.76

Finding the Fourth Proportional to 191,411.36, 264,088.22 and 108,611.76

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Solution

The fourth proportional to 191,411.36, 264,088.22 and 108,611.76 is: 149,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,411.36 : 264,088.22 = 108,611.76 : x
  2. Step 2: Convert to fraction form
    191,411.36/264,088.22 = 108,611.76/x
  3. Step 3: Cross multiply
    191,411.36x = 264,088.22 × 108,611.76
  4. Step 4: Simplify right side
    191,411.36x = 28,683,086,369.47
  5. Step 5: Solve for x
    x = 28,683,086,369.47/191,411.36
  6. Step 6: Final answer
    x = 149,850.49

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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.