Home / 112,315.82-168,473.05-28,075.56

Finding the Fourth Proportional to 112,315.82, 168,473.05 and 28,075.56

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Solution

The fourth proportional to 112,315.82, 168,473.05 and 28,075.56 is: 42,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315.82 : 168,473.05 = 28,075.56 : x
  2. Step 2: Convert to fraction form
    112,315.82/168,473.05 = 28,075.56/x
  3. Step 3: Cross multiply
    112,315.82x = 168,473.05 × 28,075.56
  4. Step 4: Simplify right side
    112,315.82x = 4,729,975,223.66
  5. Step 5: Solve for x
    x = 4,729,975,223.66/112,315.82
  6. Step 6: Final answer
    x = 42,113.17

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1.5x scale

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.