Home / 209,242.37-288,483.44-135,523.64

Finding the Fourth Proportional to 209,242.37, 288,483.44 and 135,523.64

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Solution

The fourth proportional to 209,242.37, 288,483.44 and 135,523.64 is: 186,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,242.37 : 288,483.44 = 135,523.64 : x
  2. Step 2: Convert to fraction form
    209,242.37/288,483.44 = 135,523.64/x
  3. Step 3: Cross multiply
    209,242.37x = 288,483.44 × 135,523.64
  4. Step 4: Simplify right side
    209,242.37x = 39,096,325,868.52
  5. Step 5: Solve for x
    x = 39,096,325,868.52/209,242.37
  6. Step 6: Final answer
    x = 186,847.08

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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.