Home / 191,816.35-264,707.70-111,291.82

Finding the Fourth Proportional to 191,816.35, 264,707.70 and 111,291.82

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Solution

The fourth proportional to 191,816.35, 264,707.70 and 111,291.82 is: 153,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,816.35 : 264,707.70 = 111,291.82 : x
  2. Step 2: Convert to fraction form
    191,816.35/264,707.70 = 111,291.82/x
  3. Step 3: Cross multiply
    191,816.35x = 264,707.70 × 111,291.82
  4. Step 4: Simplify right side
    191,816.35x = 29,459,801,701.01
  5. Step 5: Solve for x
    x = 29,459,801,701.01/191,816.35
  6. Step 6: Final answer
    x = 153,583.37

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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.