Home / 216,665.13-325,111.02-88,676.43

Finding the Fourth Proportional to 216,665.13, 325,111.02 and 88,676.43

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Solution

The fourth proportional to 216,665.13, 325,111.02 and 88,676.43 is: 133,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,665.13 : 325,111.02 = 88,676.43 : x
  2. Step 2: Convert to fraction form
    216,665.13/325,111.02 = 88,676.43/x
  3. Step 3: Cross multiply
    216,665.13x = 325,111.02 × 88,676.43
  4. Step 4: Simplify right side
    216,665.13x = 28,829,684,607.26
  5. Step 5: Solve for x
    x = 28,829,684,607.26/216,665.13
  6. Step 6: Final answer
    x = 133,061.03

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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.