Home / 196,248.15-270,807.01-111,365.21

Finding the Fourth Proportional to 196,248.15, 270,807.01 and 111,365.21

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Solution

The fourth proportional to 196,248.15, 270,807.01 and 111,365.21 is: 153,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,248.15 : 270,807.01 = 111,365.21 : x
  2. Step 2: Convert to fraction form
    196,248.15/270,807.01 = 111,365.21/x
  3. Step 3: Cross multiply
    196,248.15x = 270,807.01 × 111,365.21
  4. Step 4: Simplify right side
    196,248.15x = 30,158,479,936.73
  5. Step 5: Solve for x
    x = 30,158,479,936.73/196,248.15
  6. Step 6: Final answer
    x = 153,675.23

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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.