Home / 638,030.45-957,232.54-188,763.38

Finding the Fourth Proportional to 638,030.45, 957,232.54 and 188,763.38

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Solution

The fourth proportional to 638,030.45, 957,232.54 and 188,763.38 is: 283,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,030.45 : 957,232.54 = 188,763.38 : x
  2. Step 2: Convert to fraction form
    638,030.45/957,232.54 = 188,763.38/x
  3. Step 3: Cross multiply
    638,030.45x = 957,232.54 × 188,763.38
  4. Step 4: Simplify right side
    638,030.45x = 180,690,448,752.57
  5. Step 5: Solve for x
    x = 180,690,448,752.57/638,030.45
  6. Step 6: Final answer
    x = 283,200.35

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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.