Home / 168,654.70-253,153.23-84,475.18

Finding the Fourth Proportional to 168,654.70, 253,153.23 and 84,475.18

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Solution

The fourth proportional to 168,654.70, 253,153.23 and 84,475.18 is: 126,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,654.70 : 253,153.23 = 84,475.18 : x
  2. Step 2: Convert to fraction form
    168,654.70/253,153.23 = 84,475.18/x
  3. Step 3: Cross multiply
    168,654.70x = 253,153.23 × 84,475.18
  4. Step 4: Simplify right side
    168,654.70x = 21,385,164,671.83
  5. Step 5: Solve for x
    x = 21,385,164,671.83/168,654.70
  6. Step 6: Final answer
    x = 126,798.51

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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.