Home / 314,933.80-472,400.70-188,962.60

Finding the Fourth Proportional to 314,933.80, 472,400.70 and 188,962.60

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Solution

The fourth proportional to 314,933.80, 472,400.70 and 188,962.60 is: 283,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,933.80 : 472,400.70 = 188,962.60 : x
  2. Step 2: Convert to fraction form
    314,933.80/472,400.70 = 188,962.60/x
  3. Step 3: Cross multiply
    314,933.80x = 472,400.70 × 188,962.60
  4. Step 4: Simplify right side
    314,933.80x = 89,266,064,513.82
  5. Step 5: Solve for x
    x = 89,266,064,513.82/314,933.80
  6. Step 6: Final answer
    x = 283,443.90

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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.