Home / 361,153.60-498,393.36-200,005.12

Finding the Fourth Proportional to 361,153.60, 498,393.36 and 200,005.12

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Solution

The fourth proportional to 361,153.60, 498,393.36 and 200,005.12 is: 276,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,153.60 : 498,393.36 = 200,005.12 : x
  2. Step 2: Convert to fraction form
    361,153.60/498,393.36 = 200,005.12/x
  3. Step 3: Cross multiply
    361,153.60x = 498,393.36 × 200,005.12
  4. Step 4: Simplify right side
    361,153.60x = 99,681,223,774.00
  5. Step 5: Solve for x
    x = 99,681,223,774.00/361,153.60
  6. Step 6: Final answer
    x = 276,007.84

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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.