Home / 191,856.15-264,692.07-111,239.28

Finding the Fourth Proportional to 191,856.15, 264,692.07 and 111,239.28

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Solution

The fourth proportional to 191,856.15, 264,692.07 and 111,239.28 is: 153,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,856.15 : 264,692.07 = 111,239.28 : x
  2. Step 2: Convert to fraction form
    191,856.15/264,692.07 = 111,239.28/x
  3. Step 3: Cross multiply
    191,856.15x = 264,692.07 × 111,239.28
  4. Step 4: Simplify right side
    191,856.15x = 29,444,155,288.51
  5. Step 5: Solve for x
    x = 29,444,155,288.51/191,856.15
  6. Step 6: Final answer
    x = 153,469.96

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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.