Home / 233,008.84-321,548.34-129,639.04

Finding the Fourth Proportional to 233,008.84, 321,548.34 and 129,639.04

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Solution

The fourth proportional to 233,008.84, 321,548.34 and 129,639.04 is: 178,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,008.84 : 321,548.34 = 129,639.04 : x
  2. Step 2: Convert to fraction form
    233,008.84/321,548.34 = 129,639.04/x
  3. Step 3: Cross multiply
    233,008.84x = 321,548.34 × 129,639.04
  4. Step 4: Simplify right side
    233,008.84x = 41,685,218,111.19
  5. Step 5: Solve for x
    x = 41,685,218,111.19/233,008.84
  6. Step 6: Final answer
    x = 178,899.73

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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.