Home / 201,982.40-302,973.60-134,622.80

Finding the Fourth Proportional to 201,982.40, 302,973.60 and 134,622.80

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Solution

The fourth proportional to 201,982.40, 302,973.60 and 134,622.80 is: 201,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,982.40 : 302,973.60 = 134,622.80 : x
  2. Step 2: Convert to fraction form
    201,982.40/302,973.60 = 134,622.80/x
  3. Step 3: Cross multiply
    201,982.40x = 302,973.60 × 134,622.80
  4. Step 4: Simplify right side
    201,982.40x = 40,787,154,358.08
  5. Step 5: Solve for x
    x = 40,787,154,358.08/201,982.40
  6. Step 6: Final answer
    x = 201,934.20

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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.