Home / 461,280.12-692,013.56-195,040.20

Finding the Fourth Proportional to 461,280.12, 692,013.56 and 195,040.20

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Solution

The fourth proportional to 461,280.12, 692,013.56 and 195,040.20 is: 292,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,280.12 : 692,013.56 = 195,040.20 : x
  2. Step 2: Convert to fraction form
    461,280.12/692,013.56 = 195,040.20/x
  3. Step 3: Cross multiply
    461,280.12x = 692,013.56 × 195,040.20
  4. Step 4: Simplify right side
    461,280.12x = 134,970,463,145.11
  5. Step 5: Solve for x
    x = 134,970,463,145.11/461,280.12
  6. Step 6: Final answer
    x = 292,599.78

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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.