Home / 368,829.40-553,244.10-181,816.60

Finding the Fourth Proportional to 368,829.40, 553,244.10 and 181,816.60

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Solution

The fourth proportional to 368,829.40, 553,244.10 and 181,816.60 is: 272,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,829.40 : 553,244.10 = 181,816.60 : x
  2. Step 2: Convert to fraction form
    368,829.40/553,244.10 = 181,816.60/x
  3. Step 3: Cross multiply
    368,829.40x = 553,244.10 × 181,816.60
  4. Step 4: Simplify right side
    368,829.40x = 100,588,961,232.06
  5. Step 5: Solve for x
    x = 100,588,961,232.06/368,829.40
  6. Step 6: Final answer
    x = 272,724.90

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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.