Home / 233,021.80-321,399.66-152,319.88

Finding the Fourth Proportional to 233,021.80, 321,399.66 and 152,319.88

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Solution

The fourth proportional to 233,021.80, 321,399.66 and 152,319.88 is: 210,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,021.80 : 321,399.66 = 152,319.88 : x
  2. Step 2: Convert to fraction form
    233,021.80/321,399.66 = 152,319.88/x
  3. Step 3: Cross multiply
    233,021.80x = 321,399.66 × 152,319.88
  4. Step 4: Simplify right side
    233,021.80x = 48,955,557,643.24
  5. Step 5: Solve for x
    x = 48,955,557,643.24/233,021.80
  6. Step 6: Final answer
    x = 210,090.03

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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.