Home / 190,421.49-285,803.55-101,750.79

Finding the Fourth Proportional to 190,421.49, 285,803.55 and 101,750.79

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Solution

The fourth proportional to 190,421.49, 285,803.55 and 101,750.79 is: 152,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,421.49 : 285,803.55 = 101,750.79 : x
  2. Step 2: Convert to fraction form
    190,421.49/285,803.55 = 101,750.79/x
  3. Step 3: Cross multiply
    190,421.49x = 285,803.55 × 101,750.79
  4. Step 4: Simplify right side
    190,421.49x = 29,080,736,997.30
  5. Step 5: Solve for x
    x = 29,080,736,997.30/190,421.49
  6. Step 6: Final answer
    x = 152,717.73

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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.