Home / 295,631.10-443,403.45-85,247.10

Finding the Fourth Proportional to 295,631.10, 443,403.45 and 85,247.10

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Solution

The fourth proportional to 295,631.10, 443,403.45 and 85,247.10 is: 127,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,631.10 : 443,403.45 = 85,247.10 : x
  2. Step 2: Convert to fraction form
    295,631.10/443,403.45 = 85,247.10/x
  3. Step 3: Cross multiply
    295,631.10x = 443,403.45 × 85,247.10
  4. Step 4: Simplify right side
    295,631.10x = 37,798,858,242.50
  5. Step 5: Solve for x
    x = 37,798,858,242.50/295,631.10
  6. Step 6: Final answer
    x = 127,858.19

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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.