Home / 191,923.10-264,768.30-111,303.92

Finding the Fourth Proportional to 191,923.10, 264,768.30 and 111,303.92

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Solution

The fourth proportional to 191,923.10, 264,768.30 and 111,303.92 is: 153,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,923.10 : 264,768.30 = 111,303.92 : x
  2. Step 2: Convert to fraction form
    191,923.10/264,768.30 = 111,303.92/x
  3. Step 3: Cross multiply
    191,923.10x = 264,768.30 × 111,303.92
  4. Step 4: Simplify right side
    191,923.10x = 29,469,749,681.74
  5. Step 5: Solve for x
    x = 29,469,749,681.74/191,923.10
  6. Step 6: Final answer
    x = 153,549.78

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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.