Home / 187,556.63-258,828.35-102,673.89

Finding the Fourth Proportional to 187,556.63, 258,828.35 and 102,673.89

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Solution

The fourth proportional to 187,556.63, 258,828.35 and 102,673.89 is: 141,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,556.63 : 258,828.35 = 102,673.89 : x
  2. Step 2: Convert to fraction form
    187,556.63/258,828.35 = 102,673.89/x
  3. Step 3: Cross multiply
    187,556.63x = 258,828.35 × 102,673.89
  4. Step 4: Simplify right side
    187,556.63x = 26,574,913,023.41
  5. Step 5: Solve for x
    x = 26,574,913,023.41/187,556.63
  6. Step 6: Final answer
    x = 141,690.08

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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.