Home / 292,508.12-438,825.36-92,844.56

Finding the Fourth Proportional to 292,508.12, 438,825.36 and 92,844.56

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Solution

The fourth proportional to 292,508.12, 438,825.36 and 92,844.56 is: 139,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,508.12 : 438,825.36 = 92,844.56 : x
  2. Step 2: Convert to fraction form
    292,508.12/438,825.36 = 92,844.56/x
  3. Step 3: Cross multiply
    292,508.12x = 438,825.36 × 92,844.56
  4. Step 4: Simplify right side
    292,508.12x = 40,742,547,466.04
  5. Step 5: Solve for x
    x = 40,742,547,466.04/292,508.12
  6. Step 6: Final answer
    x = 139,286.89

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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.