Home / 134,649.10-185,817.06-74,222.08

Finding the Fourth Proportional to 134,649.10, 185,817.06 and 74,222.08

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Solution

The fourth proportional to 134,649.10, 185,817.06 and 74,222.08 is: 102,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,649.10 : 185,817.06 = 74,222.08 : x
  2. Step 2: Convert to fraction form
    134,649.10/185,817.06 = 74,222.08/x
  3. Step 3: Cross multiply
    134,649.10x = 185,817.06 × 74,222.08
  4. Step 4: Simplify right side
    134,649.10x = 13,791,728,692.68
  5. Step 5: Solve for x
    x = 13,791,728,692.68/134,649.10
  6. Step 6: Final answer
    x = 102,427.19

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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.