Home / 196,153.08-270,683.28-111,268.32

Finding the Fourth Proportional to 196,153.08, 270,683.28 and 111,268.32

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Solution

The fourth proportional to 196,153.08, 270,683.28 and 111,268.32 is: 153,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,153.08 : 270,683.28 = 111,268.32 : x
  2. Step 2: Convert to fraction form
    196,153.08/270,683.28 = 111,268.32/x
  3. Step 3: Cross multiply
    196,153.08x = 270,683.28 × 111,268.32
  4. Step 4: Simplify right side
    196,153.08x = 30,118,473,817.69
  5. Step 5: Solve for x
    x = 30,118,473,817.69/196,153.08
  6. Step 6: Final answer
    x = 153,545.76

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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.