Home / 292,132.36-438,379.98-187,026.76

Finding the Fourth Proportional to 292,132.36, 438,379.98 and 187,026.76

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Solution

The fourth proportional to 292,132.36, 438,379.98 and 187,026.76 is: 280,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,132.36 : 438,379.98 = 187,026.76 : x
  2. Step 2: Convert to fraction form
    292,132.36/438,379.98 = 187,026.76/x
  3. Step 3: Cross multiply
    292,132.36x = 438,379.98 × 187,026.76
  4. Step 4: Simplify right side
    292,132.36x = 81,988,787,308.26
  5. Step 5: Solve for x
    x = 81,988,787,308.26/292,132.36
  6. Step 6: Final answer
    x = 280,656.30

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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.