Home / 149,328.37-223,914.79-70,421.41

Finding the Fourth Proportional to 149,328.37, 223,914.79 and 70,421.41

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Solution

The fourth proportional to 149,328.37, 223,914.79 and 70,421.41 is: 105,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328.37 : 223,914.79 = 70,421.41 : x
  2. Step 2: Convert to fraction form
    149,328.37/223,914.79 = 70,421.41/x
  3. Step 3: Cross multiply
    149,328.37x = 223,914.79 × 70,421.41
  4. Step 4: Simplify right side
    149,328.37x = 15,768,395,231.65
  5. Step 5: Solve for x
    x = 15,768,395,231.65/149,328.37
  6. Step 6: Final answer
    x = 105,595.44

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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.