Home / 220,020.32-329,678.93-141,069.08

Finding the Fourth Proportional to 220,020.32, 329,678.93 and 141,069.08

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Solution

The fourth proportional to 220,020.32, 329,678.93 and 141,069.08 is: 211,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,020.32 : 329,678.93 = 141,069.08 : x
  2. Step 2: Convert to fraction form
    220,020.32/329,678.93 = 141,069.08/x
  3. Step 3: Cross multiply
    220,020.32x = 329,678.93 × 141,069.08
  4. Step 4: Simplify right side
    220,020.32x = 46,507,500,996.74
  5. Step 5: Solve for x
    x = 46,507,500,996.74/220,020.32
  6. Step 6: Final answer
    x = 211,378.21

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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.