Home / 233,436.55-322,138.20-131,461.60

Finding the Fourth Proportional to 233,436.55, 322,138.20 and 131,461.60

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Solution

The fourth proportional to 233,436.55, 322,138.20 and 131,461.60 is: 181,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,436.55 : 322,138.20 = 131,461.60 : x
  2. Step 2: Convert to fraction form
    233,436.55/322,138.20 = 131,461.60/x
  3. Step 3: Cross multiply
    233,436.55x = 322,138.20 × 131,461.60
  4. Step 4: Simplify right side
    233,436.55x = 42,348,803,193.12
  5. Step 5: Solve for x
    x = 42,348,803,193.12/233,436.55
  6. Step 6: Final answer
    x = 181,414.62

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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.