Home / 213,201.17-294,216.78-117,707.16

Finding the Fourth Proportional to 213,201.17, 294,216.78 and 117,707.16

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Solution

The fourth proportional to 213,201.17, 294,216.78 and 117,707.16 is: 162,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,201.17 : 294,216.78 = 117,707.16 : x
  2. Step 2: Convert to fraction form
    213,201.17/294,216.78 = 117,707.16/x
  3. Step 3: Cross multiply
    213,201.17x = 294,216.78 × 117,707.16
  4. Step 4: Simplify right side
    213,201.17x = 34,631,421,598.14
  5. Step 5: Solve for x
    x = 34,631,421,598.14/213,201.17
  6. Step 6: Final answer
    x = 162,435.42

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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.