Home / 216,348.11-298,557.55-119,551.80

Finding the Fourth Proportional to 216,348.11, 298,557.55 and 119,551.80

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Solution

The fourth proportional to 216,348.11, 298,557.55 and 119,551.80 is: 164,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,348.11 : 298,557.55 = 119,551.80 : x
  2. Step 2: Convert to fraction form
    216,348.11/298,557.55 = 119,551.80/x
  3. Step 3: Cross multiply
    216,348.11x = 298,557.55 × 119,551.80
  4. Step 4: Simplify right side
    216,348.11x = 35,693,091,423.26
  5. Step 5: Solve for x
    x = 35,693,091,423.26/216,348.11
  6. Step 6: Final answer
    x = 164,979.91

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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.