Home / 523,153.45-784,739.28-144,072.25

Finding the Fourth Proportional to 523,153.45, 784,739.28 and 144,072.25

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Solution

The fourth proportional to 523,153.45, 784,739.28 and 144,072.25 is: 216,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,153.45 : 784,739.28 = 144,072.25 : x
  2. Step 2: Convert to fraction form
    523,153.45/784,739.28 = 144,072.25/x
  3. Step 3: Cross multiply
    523,153.45x = 784,739.28 × 144,072.25
  4. Step 4: Simplify right side
    523,153.45x = 113,059,153,732.98
  5. Step 5: Solve for x
    x = 113,059,153,732.98/523,153.45
  6. Step 6: Final answer
    x = 216,110.88

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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.