Home / 128,624.04-192,936.14-53,703.36

Finding the Fourth Proportional to 128,624.04, 192,936.14 and 53,703.36

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Solution

The fourth proportional to 128,624.04, 192,936.14 and 53,703.36 is: 80,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,624.04 : 192,936.14 = 53,703.36 : x
  2. Step 2: Convert to fraction form
    128,624.04/192,936.14 = 53,703.36/x
  3. Step 3: Cross multiply
    128,624.04x = 192,936.14 × 53,703.36
  4. Step 4: Simplify right side
    128,624.04x = 10,361,318,714.91
  5. Step 5: Solve for x
    x = 10,361,318,714.91/128,624.04
  6. Step 6: Final answer
    x = 80,555.07

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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.