Home / 144,472.36-216,414.78-117,913

Finding the Fourth Proportional to 144,472.36, 216,414.78 and 117,913

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Solution

The fourth proportional to 144,472.36, 216,414.78 and 117,913 is: 176,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472.36 : 216,414.78 = 117,913 : x
  2. Step 2: Convert to fraction form
    144,472.36/216,414.78 = 117,913/x
  3. Step 3: Cross multiply
    144,472.36x = 216,414.78 × 117,913
  4. Step 4: Simplify right side
    144,472.36x = 25,518,115,954.14
  5. Step 5: Solve for x
    x = 25,518,115,954.14/144,472.36
  6. Step 6: Final answer
    x = 176,629.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.