Home / 154,828.80-213,667.20-94,402.80

Finding the Fourth Proportional to 154,828.80, 213,667.20 and 94,402.80

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Solution

The fourth proportional to 154,828.80, 213,667.20 and 94,402.80 is: 130,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,828.80 : 213,667.20 = 94,402.80 : x
  2. Step 2: Convert to fraction form
    154,828.80/213,667.20 = 94,402.80/x
  3. Step 3: Cross multiply
    154,828.80x = 213,667.20 × 94,402.80
  4. Step 4: Simplify right side
    154,828.80x = 20,170,781,948.16
  5. Step 5: Solve for x
    x = 20,170,781,948.16/154,828.80
  6. Step 6: Final answer
    x = 130,277.97

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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.