Home / 196,303.84-270,907.44-111,428.80

Finding the Fourth Proportional to 196,303.84, 270,907.44 and 111,428.80

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Solution

The fourth proportional to 196,303.84, 270,907.44 and 111,428.80 is: 153,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,303.84 : 270,907.44 = 111,428.80 : x
  2. Step 2: Convert to fraction form
    196,303.84/270,907.44 = 111,428.80/x
  3. Step 3: Cross multiply
    196,303.84x = 270,907.44 × 111,428.80
  4. Step 4: Simplify right side
    196,303.84x = 30,186,890,950.27
  5. Step 5: Solve for x
    x = 30,186,890,950.27/196,303.84
  6. Step 6: Final answer
    x = 153,776.36

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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.