Home / 98,336.10-147,509.64-28,213.50

Finding the Fourth Proportional to 98,336.10, 147,509.64 and 28,213.50

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Solution

The fourth proportional to 98,336.10, 147,509.64 and 28,213.50 is: 42,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,336.10 : 147,509.64 = 28,213.50 : x
  2. Step 2: Convert to fraction form
    98,336.10/147,509.64 = 28,213.50/x
  3. Step 3: Cross multiply
    98,336.10x = 147,509.64 × 28,213.50
  4. Step 4: Simplify right side
    98,336.10x = 4,161,763,228.14
  5. Step 5: Solve for x
    x = 4,161,763,228.14/98,336.10
  6. Step 6: Final answer
    x = 42,321.83

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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.