Home / 190,670.52-263,125.35-105,787.38

Finding the Fourth Proportional to 190,670.52, 263,125.35 and 105,787.38

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Solution

The fourth proportional to 190,670.52, 263,125.35 and 105,787.38 is: 145,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,670.52 : 263,125.35 = 105,787.38 : x
  2. Step 2: Convert to fraction form
    190,670.52/263,125.35 = 105,787.38/x
  3. Step 3: Cross multiply
    190,670.52x = 263,125.35 × 105,787.38
  4. Step 4: Simplify right side
    190,670.52x = 27,835,341,388.08
  5. Step 5: Solve for x
    x = 27,835,341,388.08/190,670.52
  6. Step 6: Final answer
    x = 145,986.60

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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.