Home / 357,921.70-493,927.49-196,775.33

Finding the Fourth Proportional to 357,921.70, 493,927.49 and 196,775.33

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Solution

The fourth proportional to 357,921.70, 493,927.49 and 196,775.33 is: 271,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,921.70 : 493,927.49 = 196,775.33 : x
  2. Step 2: Convert to fraction form
    357,921.70/493,927.49 = 196,775.33/x
  3. Step 3: Cross multiply
    357,921.70x = 493,927.49 × 196,775.33
  4. Step 4: Simplify right side
    357,921.70x = 97,192,746,567.58
  5. Step 5: Solve for x
    x = 97,192,746,567.58/357,921.70
  6. Step 6: Final answer
    x = 271,547.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.