Home / 112,180.93-168,266.73-45,618.50

Finding the Fourth Proportional to 112,180.93, 168,266.73 and 45,618.50

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Solution

The fourth proportional to 112,180.93, 168,266.73 and 45,618.50 is: 68,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,180.93 : 168,266.73 = 45,618.50 : x
  2. Step 2: Convert to fraction form
    112,180.93/168,266.73 = 45,618.50/x
  3. Step 3: Cross multiply
    112,180.93x = 168,266.73 × 45,618.50
  4. Step 4: Simplify right side
    112,180.93x = 7,676,075,822.51
  5. Step 5: Solve for x
    x = 7,676,075,822.51/112,180.93
  6. Step 6: Final answer
    x = 68,425.85

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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.