Home / 402,371.10-603,558-149,707.26

Finding the Fourth Proportional to 402,371.10, 603,558 and 149,707.26

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Solution

The fourth proportional to 402,371.10, 603,558 and 149,707.26 is: 224,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,371.10 : 603,558 = 149,707.26 : x
  2. Step 2: Convert to fraction form
    402,371.10/603,558 = 149,707.26/x
  3. Step 3: Cross multiply
    402,371.10x = 603,558 × 149,707.26
  4. Step 4: Simplify right side
    402,371.10x = 90,357,014,431.08
  5. Step 5: Solve for x
    x = 90,357,014,431.08/402,371.10
  6. Step 6: Final answer
    x = 224,561.39

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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.