Home / 368,919.84-553,399.54-116,220.10

Finding the Fourth Proportional to 368,919.84, 553,399.54 and 116,220.10

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Solution

The fourth proportional to 368,919.84, 553,399.54 and 116,220.10 is: 174,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,919.84 : 553,399.54 = 116,220.10 : x
  2. Step 2: Convert to fraction form
    368,919.84/553,399.54 = 116,220.10/x
  3. Step 3: Cross multiply
    368,919.84x = 553,399.54 × 116,220.10
  4. Step 4: Simplify right side
    368,919.84x = 64,316,149,878.75
  5. Step 5: Solve for x
    x = 64,316,149,878.75/368,919.84
  6. Step 6: Final answer
    x = 174,336.38

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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.