Home / 301,890.93-416,614.35-172,828.89

Finding the Fourth Proportional to 301,890.93, 416,614.35 and 172,828.89

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Solution

The fourth proportional to 301,890.93, 416,614.35 and 172,828.89 is: 238,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,890.93 : 416,614.35 = 172,828.89 : x
  2. Step 2: Convert to fraction form
    301,890.93/416,614.35 = 172,828.89/x
  3. Step 3: Cross multiply
    301,890.93x = 416,614.35 × 172,828.89
  4. Step 4: Simplify right side
    301,890.93x = 72,002,995,668.57
  5. Step 5: Solve for x
    x = 72,002,995,668.57/301,890.93
  6. Step 6: Final answer
    x = 238,506.65

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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.