Home / 122,460.38-169,075.01-74,741.39

Finding the Fourth Proportional to 122,460.38, 169,075.01 and 74,741.39

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Solution

The fourth proportional to 122,460.38, 169,075.01 and 74,741.39 is: 103,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,460.38 : 169,075.01 = 74,741.39 : x
  2. Step 2: Convert to fraction form
    122,460.38/169,075.01 = 74,741.39/x
  3. Step 3: Cross multiply
    122,460.38x = 169,075.01 × 74,741.39
  4. Step 4: Simplify right side
    122,460.38x = 12,636,900,603.14
  5. Step 5: Solve for x
    x = 12,636,900,603.14/122,460.38
  6. Step 6: Final answer
    x = 103,191.75

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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.