Home / 104,465.10-156,697.65-100,382.70

Finding the Fourth Proportional to 104,465.10, 156,697.65 and 100,382.70

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Solution

The fourth proportional to 104,465.10, 156,697.65 and 100,382.70 is: 150,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.10 : 156,697.65 = 100,382.70 : x
  2. Step 2: Convert to fraction form
    104,465.10/156,697.65 = 100,382.70/x
  3. Step 3: Cross multiply
    104,465.10x = 156,697.65 × 100,382.70
  4. Step 4: Simplify right side
    104,465.10x = 15,729,733,190.66
  5. Step 5: Solve for x
    x = 15,729,733,190.66/104,465.10
  6. Step 6: Final answer
    x = 150,574.05

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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.