Home / 149,223.18-223,769.16-79,086.36

Finding the Fourth Proportional to 149,223.18, 223,769.16 and 79,086.36

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Solution

The fourth proportional to 149,223.18, 223,769.16 and 79,086.36 is: 118,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,223.18 : 223,769.16 = 79,086.36 : x
  2. Step 2: Convert to fraction form
    149,223.18/223,769.16 = 79,086.36/x
  3. Step 3: Cross multiply
    149,223.18x = 223,769.16 × 79,086.36
  4. Step 4: Simplify right side
    149,223.18x = 17,697,088,344.66
  5. Step 5: Solve for x
    x = 17,697,088,344.66/149,223.18
  6. Step 6: Final answer
    x = 118,594.77

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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.