Home / 299,117.07-412,781.58-164,981.07

Finding the Fourth Proportional to 299,117.07, 412,781.58 and 164,981.07

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Solution

The fourth proportional to 299,117.07, 412,781.58 and 164,981.07 is: 227,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,117.07 : 412,781.58 = 164,981.07 : x
  2. Step 2: Convert to fraction form
    299,117.07/412,781.58 = 164,981.07/x
  3. Step 3: Cross multiply
    299,117.07x = 412,781.58 × 164,981.07
  4. Step 4: Simplify right side
    299,117.07x = 68,101,146,744.69
  5. Step 5: Solve for x
    x = 68,101,146,744.69/299,117.07
  6. Step 6: Final answer
    x = 227,673.89

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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.