Home / 292,541.88-403,715.76-165,236.40

Finding the Fourth Proportional to 292,541.88, 403,715.76 and 165,236.40

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Solution

The fourth proportional to 292,541.88, 403,715.76 and 165,236.40 is: 228,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,541.88 : 403,715.76 = 165,236.40 : x
  2. Step 2: Convert to fraction form
    292,541.88/403,715.76 = 165,236.40/x
  3. Step 3: Cross multiply
    292,541.88x = 403,715.76 × 165,236.40
  4. Step 4: Simplify right side
    292,541.88x = 66,708,538,805.66
  5. Step 5: Solve for x
    x = 66,708,538,805.66/292,541.88
  6. Step 6: Final answer
    x = 228,030.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.