Home / 149,412.40-223,816.20-93,079.60

Finding the Fourth Proportional to 149,412.40, 223,816.20 and 93,079.60

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Solution

The fourth proportional to 149,412.40, 223,816.20 and 93,079.60 is: 139,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,412.40 : 223,816.20 = 93,079.60 : x
  2. Step 2: Convert to fraction form
    149,412.40/223,816.20 = 93,079.60/x
  3. Step 3: Cross multiply
    149,412.40x = 223,816.20 × 93,079.60
  4. Step 4: Simplify right side
    149,412.40x = 20,832,722,369.52
  5. Step 5: Solve for x
    x = 20,832,722,369.52/149,412.40
  6. Step 6: Final answer
    x = 139,431.01

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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.