Home / 316,742.26-436,938.60-195,844.90

Finding the Fourth Proportional to 316,742.26, 436,938.60 and 195,844.90

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Solution

The fourth proportional to 316,742.26, 436,938.60 and 195,844.90 is: 270,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,742.26 : 436,938.60 = 195,844.90 : x
  2. Step 2: Convert to fraction form
    316,742.26/436,938.60 = 195,844.90/x
  3. Step 3: Cross multiply
    316,742.26x = 436,938.60 × 195,844.90
  4. Step 4: Simplify right side
    316,742.26x = 85,572,196,423.14
  5. Step 5: Solve for x
    x = 85,572,196,423.14/316,742.26
  6. Step 6: Final answer
    x = 270,163.50

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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.