Home / 201,434.28-302,168.40-61,194.12

Finding the Fourth Proportional to 201,434.28, 302,168.40 and 61,194.12

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Solution

The fourth proportional to 201,434.28, 302,168.40 and 61,194.12 is: 91,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,434.28 : 302,168.40 = 61,194.12 : x
  2. Step 2: Convert to fraction form
    201,434.28/302,168.40 = 61,194.12/x
  3. Step 3: Cross multiply
    201,434.28x = 302,168.40 × 61,194.12
  4. Step 4: Simplify right side
    201,434.28x = 18,490,929,329.81
  5. Step 5: Solve for x
    x = 18,490,929,329.81/201,434.28
  6. Step 6: Final answer
    x = 91,796.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.