Home / 175,612.40-263,412.20-70,402.80

Finding the Fourth Proportional to 175,612.40, 263,412.20 and 70,402.80

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Solution

The fourth proportional to 175,612.40, 263,412.20 and 70,402.80 is: 105,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,612.40 : 263,412.20 = 70,402.80 : x
  2. Step 2: Convert to fraction form
    175,612.40/263,412.20 = 70,402.80/x
  3. Step 3: Cross multiply
    175,612.40x = 263,412.20 × 70,402.80
  4. Step 4: Simplify right side
    175,612.40x = 18,544,956,434.16
  5. Step 5: Solve for x
    x = 18,544,956,434.16/175,612.40
  6. Step 6: Final answer
    x = 105,601.63

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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.