Home / 638,061.20-957,037.80-194,829.20

Finding the Fourth Proportional to 638,061.20, 957,037.80 and 194,829.20

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Solution

The fourth proportional to 638,061.20, 957,037.80 and 194,829.20 is: 292,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,061.20 : 957,037.80 = 194,829.20 : x
  2. Step 2: Convert to fraction form
    638,061.20/957,037.80 = 194,829.20/x
  3. Step 3: Cross multiply
    638,061.20x = 957,037.80 × 194,829.20
  4. Step 4: Simplify right side
    638,061.20x = 186,458,908,943.76
  5. Step 5: Solve for x
    x = 186,458,908,943.76/638,061.20
  6. Step 6: Final answer
    x = 292,227.31

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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.