Home / 356,154.05-491,492.53-195,009.07

Finding the Fourth Proportional to 356,154.05, 491,492.53 and 195,009.07

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Solution

The fourth proportional to 356,154.05, 491,492.53 and 195,009.07 is: 269,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,154.05 : 491,492.53 = 195,009.07 : x
  2. Step 2: Convert to fraction form
    356,154.05/491,492.53 = 195,009.07/x
  3. Step 3: Cross multiply
    356,154.05x = 491,492.53 × 195,009.07
  4. Step 4: Simplify right side
    356,154.05x = 95,845,500,212.20
  5. Step 5: Solve for x
    x = 95,845,500,212.20/356,154.05
  6. Step 6: Final answer
    x = 269,112.48

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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.