Home / 192,771.45-266,024.57-107,888.51

Finding the Fourth Proportional to 192,771.45, 266,024.57 and 107,888.51

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Solution

The fourth proportional to 192,771.45, 266,024.57 and 107,888.51 is: 148,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,771.45 : 266,024.57 = 107,888.51 : x
  2. Step 2: Convert to fraction form
    192,771.45/266,024.57 = 107,888.51/x
  3. Step 3: Cross multiply
    192,771.45x = 266,024.57 × 107,888.51
  4. Step 4: Simplify right side
    192,771.45x = 28,700,994,606.31
  5. Step 5: Solve for x
    x = 28,700,994,606.31/192,771.45
  6. Step 6: Final answer
    x = 148,886.13

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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.