Home / 175,640.60-263,412.30-70,470.20

Finding the Fourth Proportional to 175,640.60, 263,412.30 and 70,470.20

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Solution

The fourth proportional to 175,640.60, 263,412.30 and 70,470.20 is: 105,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,640.60 : 263,412.30 = 70,470.20 : x
  2. Step 2: Convert to fraction form
    175,640.60/263,412.30 = 70,470.20/x
  3. Step 3: Cross multiply
    175,640.60x = 263,412.30 × 70,470.20
  4. Step 4: Simplify right side
    175,640.60x = 18,562,717,463.46
  5. Step 5: Solve for x
    x = 18,562,717,463.46/175,640.60
  6. Step 6: Final answer
    x = 105,685.80

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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.