Home / 190,746.42-263,234.40-105,868.95

Finding the Fourth Proportional to 190,746.42, 263,234.40 and 105,868.95

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Solution

The fourth proportional to 190,746.42, 263,234.40 and 105,868.95 is: 146,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,746.42 : 263,234.40 = 105,868.95 : x
  2. Step 2: Convert to fraction form
    190,746.42/263,234.40 = 105,868.95/x
  3. Step 3: Cross multiply
    190,746.42x = 263,234.40 × 105,868.95
  4. Step 4: Simplify right side
    190,746.42x = 27,868,349,531.88
  5. Step 5: Solve for x
    x = 27,868,349,531.88/190,746.42
  6. Step 6: Final answer
    x = 146,101.56

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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.