Home / 358,130.91-494,210.22-196,985.91

Finding the Fourth Proportional to 358,130.91, 494,210.22 and 196,985.91

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Solution

The fourth proportional to 358,130.91, 494,210.22 and 196,985.91 is: 271,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,130.91 : 494,210.22 = 196,985.91 : x
  2. Step 2: Convert to fraction form
    358,130.91/494,210.22 = 196,985.91/x
  3. Step 3: Cross multiply
    358,130.91x = 494,210.22 × 196,985.91
  4. Step 4: Simplify right side
    358,130.91x = 97,352,449,918.00
  5. Step 5: Solve for x
    x = 97,352,449,918.00/358,130.91
  6. Step 6: Final answer
    x = 271,834.82

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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.