Home / 191,238.52-263,915.66-105,201.16

Finding the Fourth Proportional to 191,238.52, 263,915.66 and 105,201.16

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Solution

The fourth proportional to 191,238.52, 263,915.66 and 105,201.16 is: 145,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,238.52 : 263,915.66 = 105,201.16 : x
  2. Step 2: Convert to fraction form
    191,238.52/263,915.66 = 105,201.16/x
  3. Step 3: Cross multiply
    191,238.52x = 263,915.66 × 105,201.16
  4. Step 4: Simplify right side
    191,238.52x = 27,764,233,574.17
  5. Step 5: Solve for x
    x = 27,764,233,574.17/191,238.52
  6. Step 6: Final answer
    x = 145,181.18

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1.5x scale

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.