Home / 216,971.16-325,667.18-104,730.47

Finding the Fourth Proportional to 216,971.16, 325,667.18 and 104,730.47

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Solution

The fourth proportional to 216,971.16, 325,667.18 and 104,730.47 is: 157,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,971.16 : 325,667.18 = 104,730.47 : x
  2. Step 2: Convert to fraction form
    216,971.16/325,667.18 = 104,730.47/x
  3. Step 3: Cross multiply
    216,971.16x = 325,667.18 × 104,730.47
  4. Step 4: Simplify right side
    216,971.16x = 34,107,276,679.72
  5. Step 5: Solve for x
    x = 34,107,276,679.72/216,971.16
  6. Step 6: Final answer
    x = 157,197.28

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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.