Home / 113,126.90-169,712.19-43,000.74

Finding the Fourth Proportional to 113,126.90, 169,712.19 and 43,000.74

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Solution

The fourth proportional to 113,126.90, 169,712.19 and 43,000.74 is: 64,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,126.90 : 169,712.19 = 43,000.74 : x
  2. Step 2: Convert to fraction form
    113,126.90/169,712.19 = 43,000.74/x
  3. Step 3: Cross multiply
    113,126.90x = 169,712.19 × 43,000.74
  4. Step 4: Simplify right side
    113,126.90x = 7,297,749,757.02
  5. Step 5: Solve for x
    x = 7,297,749,757.02/113,126.90
  6. Step 6: Final answer
    x = 64,509.41

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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.