Home / 357,962.10-493,980.84-196,815.57

Finding the Fourth Proportional to 357,962.10, 493,980.84 and 196,815.57

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Solution

The fourth proportional to 357,962.10, 493,980.84 and 196,815.57 is: 271,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,962.10 : 493,980.84 = 196,815.57 : x
  2. Step 2: Convert to fraction form
    357,962.10/493,980.84 = 196,815.57/x
  3. Step 3: Cross multiply
    357,962.10x = 493,980.84 × 196,815.57
  4. Step 4: Simplify right side
    357,962.10x = 97,223,120,593.68
  5. Step 5: Solve for x
    x = 97,223,120,593.68/357,962.10
  6. Step 6: Final answer
    x = 271,601.72

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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.