Home / 186,985.88-258,040.50-102,103.02

Finding the Fourth Proportional to 186,985.88, 258,040.50 and 102,103.02

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Solution

The fourth proportional to 186,985.88, 258,040.50 and 102,103.02 is: 140,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,985.88 : 258,040.50 = 102,103.02 : x
  2. Step 2: Convert to fraction form
    186,985.88/258,040.50 = 102,103.02/x
  3. Step 3: Cross multiply
    186,985.88x = 258,040.50 × 102,103.02
  4. Step 4: Simplify right side
    186,985.88x = 26,346,714,332.31
  5. Step 5: Solve for x
    x = 26,346,714,332.31/186,985.88
  6. Step 6: Final answer
    x = 140,902.16

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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.