Home / 270,316.40-373,021.56-149,450.64

Finding the Fourth Proportional to 270,316.40, 373,021.56 and 149,450.64

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Solution

The fourth proportional to 270,316.40, 373,021.56 and 149,450.64 is: 206,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,316.40 : 373,021.56 = 149,450.64 : x
  2. Step 2: Convert to fraction form
    270,316.40/373,021.56 = 149,450.64/x
  3. Step 3: Cross multiply
    270,316.40x = 373,021.56 × 149,450.64
  4. Step 4: Simplify right side
    270,316.40x = 55,748,310,875.80
  5. Step 5: Solve for x
    x = 55,748,310,875.80/270,316.40
  6. Step 6: Final answer
    x = 206,233.55

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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.