Home / 202,075.14-278,747.94-126,492.42

Finding the Fourth Proportional to 202,075.14, 278,747.94 and 126,492.42

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Solution

The fourth proportional to 202,075.14, 278,747.94 and 126,492.42 is: 174,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,075.14 : 278,747.94 = 126,492.42 : x
  2. Step 2: Convert to fraction form
    202,075.14/278,747.94 = 126,492.42/x
  3. Step 3: Cross multiply
    202,075.14x = 278,747.94 × 126,492.42
  4. Step 4: Simplify right side
    202,075.14x = 35,259,501,500.61
  5. Step 5: Solve for x
    x = 35,259,501,500.61/202,075.14
  6. Step 6: Final answer
    x = 174,487.08

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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.