Home / 191,709.90-264,560.72-111,185.18

Finding the Fourth Proportional to 191,709.90, 264,560.72 and 111,185.18

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Solution

The fourth proportional to 191,709.90, 264,560.72 and 111,185.18 is: 153,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,709.90 : 264,560.72 = 111,185.18 : x
  2. Step 2: Convert to fraction form
    191,709.90/264,560.72 = 111,185.18/x
  3. Step 3: Cross multiply
    191,709.90x = 264,560.72 × 111,185.18
  4. Step 4: Simplify right side
    191,709.90x = 29,415,231,274.13
  5. Step 5: Solve for x
    x = 29,415,231,274.13/191,709.90
  6. Step 6: Final answer
    x = 153,436.16

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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.