Home / 292,216.72-438,337.56-114,762.19

Finding the Fourth Proportional to 292,216.72, 438,337.56 and 114,762.19

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Solution

The fourth proportional to 292,216.72, 438,337.56 and 114,762.19 is: 172,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,216.72 : 438,337.56 = 114,762.19 : x
  2. Step 2: Convert to fraction form
    292,216.72/438,337.56 = 114,762.19/x
  3. Step 3: Cross multiply
    292,216.72x = 438,337.56 × 114,762.19
  4. Step 4: Simplify right side
    292,216.72x = 50,304,578,344.86
  5. Step 5: Solve for x
    x = 50,304,578,344.86/292,216.72
  6. Step 6: Final answer
    x = 172,148.19

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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.