Home / 190,421.50-285,803.56-101,750.80

Finding the Fourth Proportional to 190,421.50, 285,803.56 and 101,750.80

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Solution

The fourth proportional to 190,421.50, 285,803.56 and 101,750.80 is: 152,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,421.50 : 285,803.56 = 101,750.80 : x
  2. Step 2: Convert to fraction form
    190,421.50/285,803.56 = 101,750.80/x
  3. Step 3: Cross multiply
    190,421.50x = 285,803.56 × 101,750.80
  4. Step 4: Simplify right side
    190,421.50x = 29,080,740,872.85
  5. Step 5: Solve for x
    x = 29,080,740,872.85/190,421.50
  6. Step 6: Final answer
    x = 152,717.74

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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.