Home / 361,276.05-498,554.40-200,130.60

Finding the Fourth Proportional to 361,276.05, 498,554.40 and 200,130.60

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Solution

The fourth proportional to 361,276.05, 498,554.40 and 200,130.60 is: 276,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,276.05 : 498,554.40 = 200,130.60 : x
  2. Step 2: Convert to fraction form
    361,276.05/498,554.40 = 200,130.60/x
  3. Step 3: Cross multiply
    361,276.05x = 498,554.40 × 200,130.60
  4. Step 4: Simplify right side
    361,276.05x = 99,775,991,204.64
  5. Step 5: Solve for x
    x = 99,775,991,204.64/361,276.05
  6. Step 6: Final answer
    x = 276,176.60

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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.