Home / 295,021.55-407,194.20-187,570.59

Finding the Fourth Proportional to 295,021.55, 407,194.20 and 187,570.59

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Solution

The fourth proportional to 295,021.55, 407,194.20 and 187,570.59 is: 258,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,021.55 : 407,194.20 = 187,570.59 : x
  2. Step 2: Convert to fraction form
    295,021.55/407,194.20 = 187,570.59/x
  3. Step 3: Cross multiply
    295,021.55x = 407,194.20 × 187,570.59
  4. Step 4: Simplify right side
    295,021.55x = 76,377,656,338.58
  5. Step 5: Solve for x
    x = 76,377,656,338.58/295,021.55
  6. Step 6: Final answer
    x = 258,888.40

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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.