Home / 253,036.51-379,961.38-167,779.05

Finding the Fourth Proportional to 253,036.51, 379,961.38 and 167,779.05

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Solution

The fourth proportional to 253,036.51, 379,961.38 and 167,779.05 is: 251,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,036.51 : 379,961.38 = 167,779.05 : x
  2. Step 2: Convert to fraction form
    253,036.51/379,961.38 = 167,779.05/x
  3. Step 3: Cross multiply
    253,036.51x = 379,961.38 × 167,779.05
  4. Step 4: Simplify right side
    253,036.51x = 63,749,558,157.96
  5. Step 5: Solve for x
    x = 63,749,558,157.96/253,036.51
  6. Step 6: Final answer
    x = 251,938.18

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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.