Home / 149,271.94-205,777.65-113,399.68

Finding the Fourth Proportional to 149,271.94, 205,777.65 and 113,399.68

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Solution

The fourth proportional to 149,271.94, 205,777.65 and 113,399.68 is: 156,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,271.94 : 205,777.65 = 113,399.68 : x
  2. Step 2: Convert to fraction form
    149,271.94/205,777.65 = 113,399.68/x
  3. Step 3: Cross multiply
    149,271.94x = 205,777.65 × 113,399.68
  4. Step 4: Simplify right side
    149,271.94x = 23,335,119,661.15
  5. Step 5: Solve for x
    x = 23,335,119,661.15/149,271.94
  6. Step 6: Final answer
    x = 156,326.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.