Home / 216,510.43-325,060.14-121,807.26

Finding the Fourth Proportional to 216,510.43, 325,060.14 and 121,807.26

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Solution

The fourth proportional to 216,510.43, 325,060.14 and 121,807.26 is: 182,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,510.43 : 325,060.14 = 121,807.26 : x
  2. Step 2: Convert to fraction form
    216,510.43/325,060.14 = 121,807.26/x
  3. Step 3: Cross multiply
    216,510.43x = 325,060.14 × 121,807.26
  4. Step 4: Simplify right side
    216,510.43x = 39,594,684,988.62
  5. Step 5: Solve for x
    x = 39,594,684,988.62/216,510.43
  6. Step 6: Final answer
    x = 182,876.57

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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.