Home / 135,533.93-187,037.92-75,105.58

Finding the Fourth Proportional to 135,533.93, 187,037.92 and 75,105.58

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Solution

The fourth proportional to 135,533.93, 187,037.92 and 75,105.58 is: 103,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,533.93 : 187,037.92 = 75,105.58 : x
  2. Step 2: Convert to fraction form
    135,533.93/187,037.92 = 75,105.58/x
  3. Step 3: Cross multiply
    135,533.93x = 187,037.92 × 75,105.58
  4. Step 4: Simplify right side
    135,533.93x = 14,047,590,152.88
  5. Step 5: Solve for x
    x = 14,047,590,152.88/135,533.93
  6. Step 6: Final answer
    x = 103,646.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.