Home / 523,191.07-784,728.28-144,140.23

Finding the Fourth Proportional to 523,191.07, 784,728.28 and 144,140.23

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Solution

The fourth proportional to 523,191.07, 784,728.28 and 144,140.23 is: 216,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,191.07 : 784,728.28 = 144,140.23 : x
  2. Step 2: Convert to fraction form
    523,191.07/784,728.28 = 144,140.23/x
  3. Step 3: Cross multiply
    523,191.07x = 784,728.28 × 144,140.23
  4. Step 4: Simplify right side
    523,191.07x = 113,110,914,766.70
  5. Step 5: Solve for x
    x = 113,110,914,766.70/523,191.07
  6. Step 6: Final answer
    x = 216,194.28

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Similar ratio
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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.