Home / 233,019.84-321,563.52-129,650.16

Finding the Fourth Proportional to 233,019.84, 321,563.52 and 129,650.16

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Solution

The fourth proportional to 233,019.84, 321,563.52 and 129,650.16 is: 178,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,019.84 : 321,563.52 = 129,650.16 : x
  2. Step 2: Convert to fraction form
    233,019.84/321,563.52 = 129,650.16/x
  3. Step 3: Cross multiply
    233,019.84x = 321,563.52 × 129,650.16
  4. Step 4: Simplify right side
    233,019.84x = 41,690,761,818.16
  5. Step 5: Solve for x
    x = 41,690,761,818.16/233,019.84
  6. Step 6: Final answer
    x = 178,915.07

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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.