Home / 233,823.12-322,599.78-143,084.40

Finding the Fourth Proportional to 233,823.12, 322,599.78 and 143,084.40

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Solution

The fourth proportional to 233,823.12, 322,599.78 and 143,084.40 is: 197,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,823.12 : 322,599.78 = 143,084.40 : x
  2. Step 2: Convert to fraction form
    233,823.12/322,599.78 = 143,084.40/x
  3. Step 3: Cross multiply
    233,823.12x = 322,599.78 × 143,084.40
  4. Step 4: Simplify right side
    233,823.12x = 46,158,995,961.43
  5. Step 5: Solve for x
    x = 46,158,995,961.43/233,823.12
  6. Step 6: Final answer
    x = 197,409.89

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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.