Home / 149,756.34-224,619.12-49,905.78

Finding the Fourth Proportional to 149,756.34, 224,619.12 and 49,905.78

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Solution

The fourth proportional to 149,756.34, 224,619.12 and 49,905.78 is: 74,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,756.34 : 224,619.12 = 49,905.78 : x
  2. Step 2: Convert to fraction form
    149,756.34/224,619.12 = 49,905.78/x
  3. Step 3: Cross multiply
    149,756.34x = 224,619.12 × 49,905.78
  4. Step 4: Simplify right side
    149,756.34x = 11,209,792,386.51
  5. Step 5: Solve for x
    x = 11,209,792,386.51/149,756.34
  6. Step 6: Final answer
    x = 74,853.54

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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.