Home / 213,833-294,749.58-168,439.12

Finding the Fourth Proportional to 213,833, 294,749.58 and 168,439.12

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Solution

The fourth proportional to 213,833, 294,749.58 and 168,439.12 is: 232,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,833 : 294,749.58 = 168,439.12 : x
  2. Step 2: Convert to fraction form
    213,833/294,749.58 = 168,439.12/x
  3. Step 3: Cross multiply
    213,833x = 294,749.58 × 168,439.12
  4. Step 4: Simplify right side
    213,833x = 49,647,359,875.57
  5. Step 5: Solve for x
    x = 49,647,359,875.57/213,833
  6. Step 6: Final answer
    x = 232,178.19

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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.