Home / 233,821.12-322,597-143,082.40

Finding the Fourth Proportional to 233,821.12, 322,597 and 143,082.40

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Solution

The fourth proportional to 233,821.12, 322,597 and 143,082.40 is: 197,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,821.12 : 322,597 = 143,082.40 : x
  2. Step 2: Convert to fraction form
    233,821.12/322,597 = 143,082.40/x
  3. Step 3: Cross multiply
    233,821.12x = 322,597 × 143,082.40
  4. Step 4: Simplify right side
    233,821.12x = 46,157,952,992.80
  5. Step 5: Solve for x
    x = 46,157,952,992.80/233,821.12
  6. Step 6: Final answer
    x = 197,407.12

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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.