Home / 136,302.95-188,075.93-75,872.19

Finding the Fourth Proportional to 136,302.95, 188,075.93 and 75,872.19

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Solution

The fourth proportional to 136,302.95, 188,075.93 and 75,872.19 is: 104,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,302.95 : 188,075.93 = 75,872.19 : x
  2. Step 2: Convert to fraction form
    136,302.95/188,075.93 = 75,872.19/x
  3. Step 3: Cross multiply
    136,302.95x = 188,075.93 × 75,872.19
  4. Step 4: Simplify right side
    136,302.95x = 14,269,733,021.31
  5. Step 5: Solve for x
    x = 14,269,733,021.31/136,302.95
  6. Step 6: Final answer
    x = 104,691.30

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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.