Home / 357,868.93-493,860.72-196,734.36

Finding the Fourth Proportional to 357,868.93, 493,860.72 and 196,734.36

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Solution

The fourth proportional to 357,868.93, 493,860.72 and 196,734.36 is: 271,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,868.93 : 493,860.72 = 196,734.36 : x
  2. Step 2: Convert to fraction form
    357,868.93/493,860.72 = 196,734.36/x
  3. Step 3: Cross multiply
    357,868.93x = 493,860.72 × 196,734.36
  4. Step 4: Simplify right side
    357,868.93x = 97,159,372,678.34
  5. Step 5: Solve for x
    x = 97,159,372,678.34/357,868.93
  6. Step 6: Final answer
    x = 271,494.29

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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.