Home / 128,680.95-193,047.20-44,444.19

Finding the Fourth Proportional to 128,680.95, 193,047.20 and 44,444.19

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Solution

The fourth proportional to 128,680.95, 193,047.20 and 44,444.19 is: 66,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,680.95 : 193,047.20 = 44,444.19 : x
  2. Step 2: Convert to fraction form
    128,680.95/193,047.20 = 44,444.19/x
  3. Step 3: Cross multiply
    128,680.95x = 193,047.20 × 44,444.19
  4. Step 4: Simplify right side
    128,680.95x = 8,579,827,104.14
  5. Step 5: Solve for x
    x = 8,579,827,104.14/128,680.95
  6. Step 6: Final answer
    x = 66,675.19

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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.