Home / 201,647.18-302,514.60-61,402.16

Finding the Fourth Proportional to 201,647.18, 302,514.60 and 61,402.16

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Solution

The fourth proportional to 201,647.18, 302,514.60 and 61,402.16 is: 92,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,647.18 : 302,514.60 = 61,402.16 : x
  2. Step 2: Convert to fraction form
    201,647.18/302,514.60 = 61,402.16/x
  3. Step 3: Cross multiply
    201,647.18x = 302,514.60 × 61,402.16
  4. Step 4: Simplify right side
    201,647.18x = 18,575,049,871.54
  5. Step 5: Solve for x
    x = 18,575,049,871.54/201,647.18
  6. Step 6: Final answer
    x = 92,116.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.