Home / 149,330.75-223,918.36-70,423.79

Finding the Fourth Proportional to 149,330.75, 223,918.36 and 70,423.79

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Solution

The fourth proportional to 149,330.75, 223,918.36 and 70,423.79 is: 105,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,330.75 : 223,918.36 = 70,423.79 : x
  2. Step 2: Convert to fraction form
    149,330.75/223,918.36 = 70,423.79/x
  3. Step 3: Cross multiply
    149,330.75x = 223,918.36 × 70,423.79
  4. Step 4: Simplify right side
    149,330.75x = 15,769,179,561.78
  5. Step 5: Solve for x
    x = 15,769,179,561.78/149,330.75
  6. Step 6: Final answer
    x = 105,599.01

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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.