Home / 127,300.08-190,900.80-43,037.76

Finding the Fourth Proportional to 127,300.08, 190,900.80 and 43,037.76

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Solution

The fourth proportional to 127,300.08, 190,900.80 and 43,037.76 is: 64,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.08 : 190,900.80 = 43,037.76 : x
  2. Step 2: Convert to fraction form
    127,300.08/190,900.80 = 43,037.76/x
  3. Step 3: Cross multiply
    127,300.08x = 190,900.80 × 43,037.76
  4. Step 4: Simplify right side
    127,300.08x = 8,215,942,814.21
  5. Step 5: Solve for x
    x = 8,215,942,814.21/127,300.08
  6. Step 6: Final answer
    x = 64,539.97

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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.