Home / 190,641.12-263,084.85-105,758.25

Finding the Fourth Proportional to 190,641.12, 263,084.85 and 105,758.25

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Solution

The fourth proportional to 190,641.12, 263,084.85 and 105,758.25 is: 145,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,641.12 : 263,084.85 = 105,758.25 : x
  2. Step 2: Convert to fraction form
    190,641.12/263,084.85 = 105,758.25/x
  3. Step 3: Cross multiply
    190,641.12x = 263,084.85 × 105,758.25
  4. Step 4: Simplify right side
    190,641.12x = 27,823,393,337.51
  5. Step 5: Solve for x
    x = 27,823,393,337.51/190,641.12
  6. Step 6: Final answer
    x = 145,946.44

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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.