Home / 105,461.24-158,192.46-43,131.74

Finding the Fourth Proportional to 105,461.24, 158,192.46 and 43,131.74

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Solution

The fourth proportional to 105,461.24, 158,192.46 and 43,131.74 is: 64,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,461.24 : 158,192.46 = 43,131.74 : x
  2. Step 2: Convert to fraction form
    105,461.24/158,192.46 = 43,131.74/x
  3. Step 3: Cross multiply
    105,461.24x = 158,192.46 × 43,131.74
  4. Step 4: Simplify right side
    105,461.24x = 6,823,115,263.72
  5. Step 5: Solve for x
    x = 6,823,115,263.72/105,461.24
  6. Step 6: Final answer
    x = 64,697.85

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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.