Home / 354,823.20-532,299.60-144,482.40

Finding the Fourth Proportional to 354,823.20, 532,299.60 and 144,482.40

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Solution

The fourth proportional to 354,823.20, 532,299.60 and 144,482.40 is: 216,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,823.20 : 532,299.60 = 144,482.40 : x
  2. Step 2: Convert to fraction form
    354,823.20/532,299.60 = 144,482.40/x
  3. Step 3: Cross multiply
    354,823.20x = 532,299.60 × 144,482.40
  4. Step 4: Simplify right side
    354,823.20x = 76,907,923,727.04
  5. Step 5: Solve for x
    x = 76,907,923,727.04/354,823.20
  6. Step 6: Final answer
    x = 216,749.99

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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.