Home / 191,768.59-264,629.86-105,724.72

Finding the Fourth Proportional to 191,768.59, 264,629.86 and 105,724.72

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Solution

The fourth proportional to 191,768.59, 264,629.86 and 105,724.72 is: 145,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,768.59 : 264,629.86 = 105,724.72 : x
  2. Step 2: Convert to fraction form
    191,768.59/264,629.86 = 105,724.72/x
  3. Step 3: Cross multiply
    191,768.59x = 264,629.86 × 105,724.72
  4. Step 4: Simplify right side
    191,768.59x = 27,977,917,852.14
  5. Step 5: Solve for x
    x = 27,977,917,852.14/191,768.59
  6. Step 6: Final answer
    x = 145,894.16

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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.