Home / 154,378.22-231,567.34-43,570.22

Finding the Fourth Proportional to 154,378.22, 231,567.34 and 43,570.22

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Solution

The fourth proportional to 154,378.22, 231,567.34 and 43,570.22 is: 65,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,378.22 : 231,567.34 = 43,570.22 : x
  2. Step 2: Convert to fraction form
    154,378.22/231,567.34 = 43,570.22/x
  3. Step 3: Cross multiply
    154,378.22x = 231,567.34 × 43,570.22
  4. Step 4: Simplify right side
    154,378.22x = 10,089,439,948.61
  5. Step 5: Solve for x
    x = 10,089,439,948.61/154,378.22
  6. Step 6: Final answer
    x = 65,355.33

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1.5x scale

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.