Home / 149,748.84-223,163.73-145,430.64

Finding the Fourth Proportional to 149,748.84, 223,163.73 and 145,430.64

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Solution

The fourth proportional to 149,748.84, 223,163.73 and 145,430.64 is: 216,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,748.84 : 223,163.73 = 145,430.64 : x
  2. Step 2: Convert to fraction form
    149,748.84/223,163.73 = 145,430.64/x
  3. Step 3: Cross multiply
    149,748.84x = 223,163.73 × 145,430.64
  4. Step 4: Simplify right side
    149,748.84x = 32,454,844,078.69
  5. Step 5: Solve for x
    x = 32,454,844,078.69/149,748.84
  6. Step 6: Final answer
    x = 216,728.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.