Home / 292,435.11-438,668.26-92,771.46

Finding the Fourth Proportional to 292,435.11, 438,668.26 and 92,771.46

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Solution

The fourth proportional to 292,435.11, 438,668.26 and 92,771.46 is: 139,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,435.11 : 438,668.26 = 92,771.46 : x
  2. Step 2: Convert to fraction form
    292,435.11/438,668.26 = 92,771.46/x
  3. Step 3: Cross multiply
    292,435.11x = 438,668.26 × 92,771.46
  4. Step 4: Simplify right side
    292,435.11x = 40,695,894,703.93
  5. Step 5: Solve for x
    x = 40,695,894,703.93/292,435.11
  6. Step 6: Final answer
    x = 139,162.14

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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.