Home / 437,157.48-603,308.49-243,581.28

Finding the Fourth Proportional to 437,157.48, 603,308.49 and 243,581.28

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Solution

The fourth proportional to 437,157.48, 603,308.49 and 243,581.28 is: 336,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,157.48 : 603,308.49 = 243,581.28 : x
  2. Step 2: Convert to fraction form
    437,157.48/603,308.49 = 243,581.28/x
  3. Step 3: Cross multiply
    437,157.48x = 603,308.49 × 243,581.28
  4. Step 4: Simplify right side
    437,157.48x = 146,954,654,229.07
  5. Step 5: Solve for x
    x = 146,954,654,229.07/437,157.48
  6. Step 6: Final answer
    x = 336,159.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.