Home / 121,075.14-181,551.04-64,180.32

Finding the Fourth Proportional to 121,075.14, 181,551.04 and 64,180.32

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Solution

The fourth proportional to 121,075.14, 181,551.04 and 64,180.32 is: 96,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,075.14 : 181,551.04 = 64,180.32 : x
  2. Step 2: Convert to fraction form
    121,075.14/181,551.04 = 64,180.32/x
  3. Step 3: Cross multiply
    121,075.14x = 181,551.04 × 64,180.32
  4. Step 4: Simplify right side
    121,075.14x = 11,652,003,843.53
  5. Step 5: Solve for x
    x = 11,652,003,843.53/121,075.14
  6. Step 6: Final answer
    x = 96,237.79

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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.