Home / 224,744.40-310,148.32-122,771.28

Finding the Fourth Proportional to 224,744.40, 310,148.32 and 122,771.28

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Solution

The fourth proportional to 224,744.40, 310,148.32 and 122,771.28 is: 169,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,744.40 : 310,148.32 = 122,771.28 : x
  2. Step 2: Convert to fraction form
    224,744.40/310,148.32 = 122,771.28/x
  3. Step 3: Cross multiply
    224,744.40x = 310,148.32 × 122,771.28
  4. Step 4: Simplify right side
    224,744.40x = 38,077,306,236.25
  5. Step 5: Solve for x
    x = 38,077,306,236.25/224,744.40
  6. Step 6: Final answer
    x = 169,424.94

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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.