Home / 128,863.34-193,248.69-44,600.63

Finding the Fourth Proportional to 128,863.34, 193,248.69 and 44,600.63

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Solution

The fourth proportional to 128,863.34, 193,248.69 and 44,600.63 is: 66,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,863.34 : 193,248.69 = 44,600.63 : x
  2. Step 2: Convert to fraction form
    128,863.34/193,248.69 = 44,600.63/x
  3. Step 3: Cross multiply
    128,863.34x = 193,248.69 × 44,600.63
  4. Step 4: Simplify right side
    128,863.34x = 8,619,012,187.18
  5. Step 5: Solve for x
    x = 8,619,012,187.18/128,863.34
  6. Step 6: Final answer
    x = 66,884.91

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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.