Home / 318,141.09-439,034.99-174,903.57

Finding the Fourth Proportional to 318,141.09, 439,034.99 and 174,903.57

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Solution

The fourth proportional to 318,141.09, 439,034.99 and 174,903.57 is: 241,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,141.09 : 439,034.99 = 174,903.57 : x
  2. Step 2: Convert to fraction form
    318,141.09/439,034.99 = 174,903.57/x
  3. Step 3: Cross multiply
    318,141.09x = 439,034.99 × 174,903.57
  4. Step 4: Simplify right side
    318,141.09x = 76,788,786,231.40
  5. Step 5: Solve for x
    x = 76,788,786,231.40/318,141.09
  6. Step 6: Final answer
    x = 241,367.08

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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.