Home / 190,525.37-285,685.79-64,123.45

Finding the Fourth Proportional to 190,525.37, 285,685.79 and 64,123.45

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Solution

The fourth proportional to 190,525.37, 285,685.79 and 64,123.45 is: 96,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,525.37 : 285,685.79 = 64,123.45 : x
  2. Step 2: Convert to fraction form
    190,525.37/285,685.79 = 64,123.45/x
  3. Step 3: Cross multiply
    190,525.37x = 285,685.79 × 64,123.45
  4. Step 4: Simplify right side
    190,525.37x = 18,319,157,435.94
  5. Step 5: Solve for x
    x = 18,319,157,435.94/190,525.37
  6. Step 6: Final answer
    x = 96,150.75

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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.