Home / 318,601.19-439,666.20-175,358.13

Finding the Fourth Proportional to 318,601.19, 439,666.20 and 175,358.13

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Solution

The fourth proportional to 318,601.19, 439,666.20 and 175,358.13 is: 241,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,601.19 : 439,666.20 = 175,358.13 : x
  2. Step 2: Convert to fraction form
    318,601.19/439,666.20 = 175,358.13/x
  3. Step 3: Cross multiply
    318,601.19x = 439,666.20 × 175,358.13
  4. Step 4: Simplify right side
    318,601.19x = 77,099,042,656.21
  5. Step 5: Solve for x
    x = 77,099,042,656.21/318,601.19
  6. Step 6: Final answer
    x = 241,992.33

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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.