Home / 147,075.16-202,961.82-80,007.16

Finding the Fourth Proportional to 147,075.16, 202,961.82 and 80,007.16

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Solution

The fourth proportional to 147,075.16, 202,961.82 and 80,007.16 is: 110,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,075.16 : 202,961.82 = 80,007.16 : x
  2. Step 2: Convert to fraction form
    147,075.16/202,961.82 = 80,007.16/x
  3. Step 3: Cross multiply
    147,075.16x = 202,961.82 × 80,007.16
  4. Step 4: Simplify right side
    147,075.16x = 16,238,398,806.63
  5. Step 5: Solve for x
    x = 16,238,398,806.63/147,075.16
  6. Step 6: Final answer
    x = 110,408.85

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1.5x scale

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.