Home / 638,029.95-957,231.79-188,762.88

Finding the Fourth Proportional to 638,029.95, 957,231.79 and 188,762.88

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Solution

The fourth proportional to 638,029.95, 957,231.79 and 188,762.88 is: 283,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,029.95 : 957,231.79 = 188,762.88 : x
  2. Step 2: Convert to fraction form
    638,029.95/957,231.79 = 188,762.88/x
  3. Step 3: Cross multiply
    638,029.95x = 957,231.79 × 188,762.88
  4. Step 4: Simplify right side
    638,029.95x = 180,689,828,564.14
  5. Step 5: Solve for x
    x = 180,689,828,564.14/638,029.95
  6. Step 6: Final answer
    x = 283,199.60

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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.