Home / 196,370.24-270,981.28-111,476.16

Finding the Fourth Proportional to 196,370.24, 270,981.28 and 111,476.16

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Solution

The fourth proportional to 196,370.24, 270,981.28 and 111,476.16 is: 153,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,370.24 : 270,981.28 = 111,476.16 : x
  2. Step 2: Convert to fraction form
    196,370.24/270,981.28 = 111,476.16/x
  3. Step 3: Cross multiply
    196,370.24x = 270,981.28 × 111,476.16
  4. Step 4: Simplify right side
    196,370.24x = 30,207,952,526.28
  5. Step 5: Solve for x
    x = 30,207,952,526.28/196,370.24
  6. Step 6: Final answer
    x = 153,831.62

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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.