Home / 193,106.79-266,503.10-107,074.31

Finding the Fourth Proportional to 193,106.79, 266,503.10 and 107,074.31

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Solution

The fourth proportional to 193,106.79, 266,503.10 and 107,074.31 is: 147,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,106.79 : 266,503.10 = 107,074.31 : x
  2. Step 2: Convert to fraction form
    193,106.79/266,503.10 = 107,074.31/x
  3. Step 3: Cross multiply
    193,106.79x = 266,503.10 × 107,074.31
  4. Step 4: Simplify right side
    193,106.79x = 28,535,633,677.47
  5. Step 5: Solve for x
    x = 28,535,633,677.47/193,106.79
  6. Step 6: Final answer
    x = 147,771.26

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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.