Home / 203,539.19-280,700.24-127,065.35

Finding the Fourth Proportional to 203,539.19, 280,700.24 and 127,065.35

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Solution

The fourth proportional to 203,539.19, 280,700.24 and 127,065.35 is: 175,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,539.19 : 280,700.24 = 127,065.35 : x
  2. Step 2: Convert to fraction form
    203,539.19/280,700.24 = 127,065.35/x
  3. Step 3: Cross multiply
    203,539.19x = 280,700.24 × 127,065.35
  4. Step 4: Simplify right side
    203,539.19x = 35,667,274,307.11
  5. Step 5: Solve for x
    x = 35,667,274,307.11/203,539.19
  6. Step 6: Final answer
    x = 175,235.42

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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.