Home / 191,255.19-263,751.01-122,366.45

Finding the Fourth Proportional to 191,255.19, 263,751.01 and 122,366.45

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Solution

The fourth proportional to 191,255.19, 263,751.01 and 122,366.45 is: 168,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,255.19 : 263,751.01 = 122,366.45 : x
  2. Step 2: Convert to fraction form
    191,255.19/263,751.01 = 122,366.45/x
  3. Step 3: Cross multiply
    191,255.19x = 263,751.01 × 122,366.45
  4. Step 4: Simplify right side
    191,255.19x = 32,274,276,465.12
  5. Step 5: Solve for x
    x = 32,274,276,465.12/191,255.19
  6. Step 6: Final answer
    x = 168,749.80

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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.