Home / 233,820.12-322,595.64-143,081.40

Finding the Fourth Proportional to 233,820.12, 322,595.64 and 143,081.40

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Solution

The fourth proportional to 233,820.12, 322,595.64 and 143,081.40 is: 197,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,820.12 : 322,595.64 = 143,081.40 : x
  2. Step 2: Convert to fraction form
    233,820.12/322,595.64 = 143,081.40/x
  3. Step 3: Cross multiply
    233,820.12x = 322,595.64 × 143,081.40
  4. Step 4: Simplify right side
    233,820.12x = 46,157,435,805.10
  5. Step 5: Solve for x
    x = 46,157,435,805.10/233,820.12
  6. Step 6: Final answer
    x = 197,405.75

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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.