Home / 358,759.13-495,087.59-197,613.68

Finding the Fourth Proportional to 358,759.13, 495,087.59 and 197,613.68

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Solution

The fourth proportional to 358,759.13, 495,087.59 and 197,613.68 is: 272,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,759.13 : 495,087.59 = 197,613.68 : x
  2. Step 2: Convert to fraction form
    358,759.13/495,087.59 = 197,613.68/x
  3. Step 3: Cross multiply
    358,759.13x = 495,087.59 × 197,613.68
  4. Step 4: Simplify right side
    358,759.13x = 97,836,078,600.83
  5. Step 5: Solve for x
    x = 97,836,078,600.83/358,759.13
  6. Step 6: Final answer
    x = 272,706.87

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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.