Home / 128,935.71-193,359.77-44,676.21

Finding the Fourth Proportional to 128,935.71, 193,359.77 and 44,676.21

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Solution

The fourth proportional to 128,935.71, 193,359.77 and 44,676.21 is: 66,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,935.71 : 193,359.77 = 44,676.21 : x
  2. Step 2: Convert to fraction form
    128,935.71/193,359.77 = 44,676.21/x
  3. Step 3: Cross multiply
    128,935.71x = 193,359.77 × 44,676.21
  4. Step 4: Simplify right side
    128,935.71x = 8,638,581,690.07
  5. Step 5: Solve for x
    x = 8,638,581,690.07/128,935.71
  6. Step 6: Final answer
    x = 66,999.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.