Home / 104,392.40-156,637.20-54,528.80

Finding the Fourth Proportional to 104,392.40, 156,637.20 and 54,528.80

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Solution

The fourth proportional to 104,392.40, 156,637.20 and 54,528.80 is: 81,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392.40 : 156,637.20 = 54,528.80 : x
  2. Step 2: Convert to fraction form
    104,392.40/156,637.20 = 54,528.80/x
  3. Step 3: Cross multiply
    104,392.40x = 156,637.20 × 54,528.80
  4. Step 4: Simplify right side
    104,392.40x = 8,541,238,551.36
  5. Step 5: Solve for x
    x = 8,541,238,551.36/104,392.40
  6. Step 6: Final answer
    x = 81,818.59

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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.