Home / 191,580.05-264,380.31-111,054.21

Finding the Fourth Proportional to 191,580.05, 264,380.31 and 111,054.21

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Solution

The fourth proportional to 191,580.05, 264,380.31 and 111,054.21 is: 153,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,580.05 : 264,380.31 = 111,054.21 : x
  2. Step 2: Convert to fraction form
    191,580.05/264,380.31 = 111,054.21/x
  3. Step 3: Cross multiply
    191,580.05x = 264,380.31 × 111,054.21
  4. Step 4: Simplify right side
    191,580.05x = 29,360,546,466.61
  5. Step 5: Solve for x
    x = 29,360,546,466.61/191,580.05
  6. Step 6: Final answer
    x = 153,254.72

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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.