Home / 187,779.03-259,126.61-102,894.27

Finding the Fourth Proportional to 187,779.03, 259,126.61 and 102,894.27

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Solution

The fourth proportional to 187,779.03, 259,126.61 and 102,894.27 is: 141,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,779.03 : 259,126.61 = 102,894.27 : x
  2. Step 2: Convert to fraction form
    187,779.03/259,126.61 = 102,894.27/x
  3. Step 3: Cross multiply
    187,779.03x = 259,126.61 × 102,894.27
  4. Step 4: Simplify right side
    187,779.03x = 26,662,642,859.05
  5. Step 5: Solve for x
    x = 26,662,642,859.05/187,779.03
  6. Step 6: Final answer
    x = 141,989.46

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1.5x scale

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.