Home / 295,927.36-443,912.64-85,566.40

Finding the Fourth Proportional to 295,927.36, 443,912.64 and 85,566.40

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Solution

The fourth proportional to 295,927.36, 443,912.64 and 85,566.40 is: 128,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,927.36 : 443,912.64 = 85,566.40 : x
  2. Step 2: Convert to fraction form
    295,927.36/443,912.64 = 85,566.40/x
  3. Step 3: Cross multiply
    295,927.36x = 443,912.64 × 85,566.40
  4. Step 4: Simplify right side
    295,927.36x = 37,984,006,519.30
  5. Step 5: Solve for x
    x = 37,984,006,519.30/295,927.36
  6. Step 6: Final answer
    x = 128,355.85

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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.