Home / 191,583.05-264,384.45-111,057.21

Finding the Fourth Proportional to 191,583.05, 264,384.45 and 111,057.21

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Solution

The fourth proportional to 191,583.05, 264,384.45 and 111,057.21 is: 153,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,583.05 : 264,384.45 = 111,057.21 : x
  2. Step 2: Convert to fraction form
    191,583.05/264,384.45 = 111,057.21/x
  3. Step 3: Cross multiply
    191,583.05x = 264,384.45 × 111,057.21
  4. Step 4: Simplify right side
    191,583.05x = 29,361,799,384.38
  5. Step 5: Solve for x
    x = 29,361,799,384.38/191,583.05
  6. Step 6: Final answer
    x = 153,258.86

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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.