Home / 190,784.52-263,269.47-105,894.90

Finding the Fourth Proportional to 190,784.52, 263,269.47 and 105,894.90

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Solution

The fourth proportional to 190,784.52, 263,269.47 and 105,894.90 is: 146,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,784.52 : 263,269.47 = 105,894.90 : x
  2. Step 2: Convert to fraction form
    190,784.52/263,269.47 = 105,894.90/x
  3. Step 3: Cross multiply
    190,784.52x = 263,269.47 × 105,894.90
  4. Step 4: Simplify right side
    190,784.52x = 27,878,894,198.70
  5. Step 5: Solve for x
    x = 27,878,894,198.70/190,784.52
  6. Step 6: Final answer
    x = 146,127.65

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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.