Home / 572,085.13-858,266.43-172,702.06

Finding the Fourth Proportional to 572,085.13, 858,266.43 and 172,702.06

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Solution

The fourth proportional to 572,085.13, 858,266.43 and 172,702.06 is: 259,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,085.13 : 858,266.43 = 172,702.06 : x
  2. Step 2: Convert to fraction form
    572,085.13/858,266.43 = 172,702.06/x
  3. Step 3: Cross multiply
    572,085.13x = 858,266.43 × 172,702.06
  4. Step 4: Simplify right side
    572,085.13x = 148,224,380,489.85
  5. Step 5: Solve for x
    x = 148,224,380,489.85/572,085.13
  6. Step 6: Final answer
    x = 259,094.97

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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.