Home / 303,150.16-418,328.80-167,185.56

Finding the Fourth Proportional to 303,150.16, 418,328.80 and 167,185.56

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Solution

The fourth proportional to 303,150.16, 418,328.80 and 167,185.56 is: 230,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,150.16 : 418,328.80 = 167,185.56 : x
  2. Step 2: Convert to fraction form
    303,150.16/418,328.80 = 167,185.56/x
  3. Step 3: Cross multiply
    303,150.16x = 418,328.80 × 167,185.56
  4. Step 4: Simplify right side
    303,150.16x = 69,938,534,692.13
  5. Step 5: Solve for x
    x = 69,938,534,692.13/303,150.16
  6. Step 6: Final answer
    x = 230,705.91

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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.