Home / 172,222.13-258,348.05-47,563.13

Finding the Fourth Proportional to 172,222.13, 258,348.05 and 47,563.13

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Solution

The fourth proportional to 172,222.13, 258,348.05 and 47,563.13 is: 71,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,222.13 : 258,348.05 = 47,563.13 : x
  2. Step 2: Convert to fraction form
    172,222.13/258,348.05 = 47,563.13/x
  3. Step 3: Cross multiply
    172,222.13x = 258,348.05 × 47,563.13
  4. Step 4: Simplify right side
    172,222.13x = 12,287,841,887.40
  5. Step 5: Solve for x
    x = 12,287,841,887.40/172,222.13
  6. Step 6: Final answer
    x = 71,348.80

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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.