Home / 292,435.10-437,615.85-199,123.10

Finding the Fourth Proportional to 292,435.10, 437,615.85 and 199,123.10

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Solution

The fourth proportional to 292,435.10, 437,615.85 and 199,123.10 is: 297,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,435.10 : 437,615.85 = 199,123.10 : x
  2. Step 2: Convert to fraction form
    292,435.10/437,615.85 = 199,123.10/x
  3. Step 3: Cross multiply
    292,435.10x = 437,615.85 × 199,123.10
  4. Step 4: Simplify right side
    292,435.10x = 87,139,424,661.14
  5. Step 5: Solve for x
    x = 87,139,424,661.14/292,435.10
  6. Step 6: Final answer
    x = 297,978.68

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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.