Home / 358,009.04-494,039.58-196,862.60

Finding the Fourth Proportional to 358,009.04, 494,039.58 and 196,862.60

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Solution

The fourth proportional to 358,009.04, 494,039.58 and 196,862.60 is: 271,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,009.04 : 494,039.58 = 196,862.60 : x
  2. Step 2: Convert to fraction form
    358,009.04/494,039.58 = 196,862.60/x
  3. Step 3: Cross multiply
    358,009.04x = 494,039.58 × 196,862.60
  4. Step 4: Simplify right side
    358,009.04x = 97,257,916,221.71
  5. Step 5: Solve for x
    x = 97,257,916,221.71/358,009.04
  6. Step 6: Final answer
    x = 271,663.30

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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.