Home / 190,306.18-262,623.53-107,520.54

Finding the Fourth Proportional to 190,306.18, 262,623.53 and 107,520.54

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Solution

The fourth proportional to 190,306.18, 262,623.53 and 107,520.54 is: 148,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.18 : 262,623.53 = 107,520.54 : x
  2. Step 2: Convert to fraction form
    190,306.18/262,623.53 = 107,520.54/x
  3. Step 3: Cross multiply
    190,306.18x = 262,623.53 × 107,520.54
  4. Step 4: Simplify right side
    190,306.18x = 28,237,423,046.27
  5. Step 5: Solve for x
    x = 28,237,423,046.27/190,306.18
  6. Step 6: Final answer
    x = 148,378.91

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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.