Home / 320,941.89-442,915.02-193,614.75

Finding the Fourth Proportional to 320,941.89, 442,915.02 and 193,614.75

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Solution

The fourth proportional to 320,941.89, 442,915.02 and 193,614.75 is: 267,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,941.89 : 442,915.02 = 193,614.75 : x
  2. Step 2: Convert to fraction form
    320,941.89/442,915.02 = 193,614.75/x
  3. Step 3: Cross multiply
    320,941.89x = 442,915.02 × 193,614.75
  4. Step 4: Simplify right side
    320,941.89x = 85,754,880,868.55
  5. Step 5: Solve for x
    x = 85,754,880,868.55/320,941.89
  6. Step 6: Final answer
    x = 267,197.53

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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.