Home / 190,342.08-262,672.20-105,460.56

Finding the Fourth Proportional to 190,342.08, 262,672.20 and 105,460.56

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Solution

The fourth proportional to 190,342.08, 262,672.20 and 105,460.56 is: 145,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,342.08 : 262,672.20 = 105,460.56 : x
  2. Step 2: Convert to fraction form
    190,342.08/262,672.20 = 105,460.56/x
  3. Step 3: Cross multiply
    190,342.08x = 262,672.20 × 105,460.56
  4. Step 4: Simplify right side
    190,342.08x = 27,701,557,308.43
  5. Step 5: Solve for x
    x = 27,701,557,308.43/190,342.08
  6. Step 6: Final answer
    x = 145,535.64

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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.