Home / 233,022.30-321,400.35-152,320.38

Finding the Fourth Proportional to 233,022.30, 321,400.35 and 152,320.38

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Solution

The fourth proportional to 233,022.30, 321,400.35 and 152,320.38 is: 210,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,022.30 : 321,400.35 = 152,320.38 : x
  2. Step 2: Convert to fraction form
    233,022.30/321,400.35 = 152,320.38/x
  3. Step 3: Cross multiply
    233,022.30x = 321,400.35 × 152,320.38
  4. Step 4: Simplify right side
    233,022.30x = 48,955,823,444.13
  5. Step 5: Solve for x
    x = 48,955,823,444.13/233,022.30
  6. Step 6: Final answer
    x = 210,090.72

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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.