Home / 295,943.32-443,981.34-85,597.60

Finding the Fourth Proportional to 295,943.32, 443,981.34 and 85,597.60

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Solution

The fourth proportional to 295,943.32, 443,981.34 and 85,597.60 is: 128,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,943.32 : 443,981.34 = 85,597.60 : x
  2. Step 2: Convert to fraction form
    295,943.32/443,981.34 = 85,597.60/x
  3. Step 3: Cross multiply
    295,943.32x = 443,981.34 × 85,597.60
  4. Step 4: Simplify right side
    295,943.32x = 38,003,737,148.78
  5. Step 5: Solve for x
    x = 38,003,737,148.78/295,943.32
  6. Step 6: Final answer
    x = 128,415.59

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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.