Home / 172,013.48-258,011.07-53,671.26

Finding the Fourth Proportional to 172,013.48, 258,011.07 and 53,671.26

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Solution

The fourth proportional to 172,013.48, 258,011.07 and 53,671.26 is: 80,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,013.48 : 258,011.07 = 53,671.26 : x
  2. Step 2: Convert to fraction form
    172,013.48/258,011.07 = 53,671.26/x
  3. Step 3: Cross multiply
    172,013.48x = 258,011.07 × 53,671.26
  4. Step 4: Simplify right side
    172,013.48x = 13,847,779,220.85
  5. Step 5: Solve for x
    x = 13,847,779,220.85/172,013.48
  6. Step 6: Final answer
    x = 80,504.04

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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.