Home / 113,141.88-169,714.37-28,902.74

Finding the Fourth Proportional to 113,141.88, 169,714.37 and 28,902.74

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Solution

The fourth proportional to 113,141.88, 169,714.37 and 28,902.74 is: 43,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,141.88 : 169,714.37 = 28,902.74 : x
  2. Step 2: Convert to fraction form
    113,141.88/169,714.37 = 28,902.74/x
  3. Step 3: Cross multiply
    113,141.88x = 169,714.37 × 28,902.74
  4. Step 4: Simplify right side
    113,141.88x = 4,905,210,806.92
  5. Step 5: Solve for x
    x = 4,905,210,806.92/113,141.88
  6. Step 6: Final answer
    x = 43,354.51

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1.5x scale

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.