Home / 210,647.08-290,692.69-113,850.82

Finding the Fourth Proportional to 210,647.08, 290,692.69 and 113,850.82

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Solution

The fourth proportional to 210,647.08, 290,692.69 and 113,850.82 is: 157,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,647.08 : 290,692.69 = 113,850.82 : x
  2. Step 2: Convert to fraction form
    210,647.08/290,692.69 = 113,850.82/x
  3. Step 3: Cross multiply
    210,647.08x = 290,692.69 × 113,850.82
  4. Step 4: Simplify right side
    210,647.08x = 33,095,601,124.51
  5. Step 5: Solve for x
    x = 33,095,601,124.51/210,647.08
  6. Step 6: Final answer
    x = 157,113.98

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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.