Home / 358,981.11-495,393.93-197,836.16

Finding the Fourth Proportional to 358,981.11, 495,393.93 and 197,836.16

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Solution

The fourth proportional to 358,981.11, 495,393.93 and 197,836.16 is: 273,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,981.11 : 495,393.93 = 197,836.16 : x
  2. Step 2: Convert to fraction form
    358,981.11/495,393.93 = 197,836.16/x
  3. Step 3: Cross multiply
    358,981.11x = 495,393.93 × 197,836.16
  4. Step 4: Simplify right side
    358,981.11x = 98,006,830,321.54
  5. Step 5: Solve for x
    x = 98,006,830,321.54/358,981.11
  6. Step 6: Final answer
    x = 273,013.89

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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.