Home / 638,118.41-957,316.00-188,870.84

Finding the Fourth Proportional to 638,118.41, 957,316.00 and 188,870.84

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Solution

The fourth proportional to 638,118.41, 957,316.00 and 188,870.84 is: 283,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,118.41 : 957,316.00 = 188,870.84 : x
  2. Step 2: Convert to fraction form
    638,118.41/957,316.00 = 188,870.84/x
  3. Step 3: Cross multiply
    638,118.41x = 957,316.00 × 188,870.84
  4. Step 4: Simplify right side
    638,118.41x = 180,809,075,750.75
  5. Step 5: Solve for x
    x = 180,809,075,750.75/638,118.41
  6. Step 6: Final answer
    x = 283,347.22

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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.