Home / 354,811.20-532,281.60-144,470.40

Finding the Fourth Proportional to 354,811.20, 532,281.60 and 144,470.40

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Solution

The fourth proportional to 354,811.20, 532,281.60 and 144,470.40 is: 216,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,811.20 : 532,281.60 = 144,470.40 : x
  2. Step 2: Convert to fraction form
    354,811.20/532,281.60 = 144,470.40/x
  3. Step 3: Cross multiply
    354,811.20x = 532,281.60 × 144,470.40
  4. Step 4: Simplify right side
    354,811.20x = 76,898,935,664.64
  5. Step 5: Solve for x
    x = 76,898,935,664.64/354,811.20
  6. Step 6: Final answer
    x = 216,731.98

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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.