Home / 113,195.86-169,861.83-42,170.74

Finding the Fourth Proportional to 113,195.86, 169,861.83 and 42,170.74

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Solution

The fourth proportional to 113,195.86, 169,861.83 and 42,170.74 is: 63,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,195.86 : 169,861.83 = 42,170.74 : x
  2. Step 2: Convert to fraction form
    113,195.86/169,861.83 = 42,170.74/x
  3. Step 3: Cross multiply
    113,195.86x = 169,861.83 × 42,170.74
  4. Step 4: Simplify right side
    113,195.86x = 7,163,199,068.85
  5. Step 5: Solve for x
    x = 7,163,199,068.85/113,195.86
  6. Step 6: Final answer
    x = 63,281.46

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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.