Home / 345,398.07-517,347.18-167,531.25

Finding the Fourth Proportional to 345,398.07, 517,347.18 and 167,531.25

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Solution

The fourth proportional to 345,398.07, 517,347.18 and 167,531.25 is: 250,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,398.07 : 517,347.18 = 167,531.25 : x
  2. Step 2: Convert to fraction form
    345,398.07/517,347.18 = 167,531.25/x
  3. Step 3: Cross multiply
    345,398.07x = 517,347.18 × 167,531.25
  4. Step 4: Simplify right side
    345,398.07x = 86,671,819,749.38
  5. Step 5: Solve for x
    x = 86,671,819,749.38/345,398.07
  6. Step 6: Final answer
    x = 250,933.13

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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.