Home / 128,864.34-193,250.19-44,601.63

Finding the Fourth Proportional to 128,864.34, 193,250.19 and 44,601.63

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Solution

The fourth proportional to 128,864.34, 193,250.19 and 44,601.63 is: 66,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,864.34 : 193,250.19 = 44,601.63 : x
  2. Step 2: Convert to fraction form
    128,864.34/193,250.19 = 44,601.63/x
  3. Step 3: Cross multiply
    128,864.34x = 193,250.19 × 44,601.63
  4. Step 4: Simplify right side
    128,864.34x = 8,619,273,471.81
  5. Step 5: Solve for x
    x = 8,619,273,471.81/128,864.34
  6. Step 6: Final answer
    x = 66,886.41

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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.