Home / 213,141.51-294,133.68-117,648.18

Finding the Fourth Proportional to 213,141.51, 294,133.68 and 117,648.18

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Solution

The fourth proportional to 213,141.51, 294,133.68 and 117,648.18 is: 162,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,141.51 : 294,133.68 = 117,648.18 : x
  2. Step 2: Convert to fraction form
    213,141.51/294,133.68 = 117,648.18/x
  3. Step 3: Cross multiply
    213,141.51x = 294,133.68 × 117,648.18
  4. Step 4: Simplify right side
    213,141.51x = 34,604,292,128.70
  5. Step 5: Solve for x
    x = 34,604,292,128.70/213,141.51
  6. Step 6: Final answer
    x = 162,353.60

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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.