Home / 190,124.48-285,703.68-101,440.64

Finding the Fourth Proportional to 190,124.48, 285,703.68 and 101,440.64

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Solution

The fourth proportional to 190,124.48, 285,703.68 and 101,440.64 is: 152,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124.48 : 285,703.68 = 101,440.64 : x
  2. Step 2: Convert to fraction form
    190,124.48/285,703.68 = 101,440.64/x
  3. Step 3: Cross multiply
    190,124.48x = 285,703.68 × 101,440.64
  4. Step 4: Simplify right side
    190,124.48x = 28,981,964,149.56
  5. Step 5: Solve for x
    x = 28,981,964,149.56/190,124.48
  6. Step 6: Final answer
    x = 152,436.78

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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.