Home / 292,275.25-438,425.63-92,610.35

Finding the Fourth Proportional to 292,275.25, 438,425.63 and 92,610.35

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Solution

The fourth proportional to 292,275.25, 438,425.63 and 92,610.35 is: 138,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,275.25 : 438,425.63 = 92,610.35 : x
  2. Step 2: Convert to fraction form
    292,275.25/438,425.63 = 92,610.35/x
  3. Step 3: Cross multiply
    292,275.25x = 438,425.63 × 92,610.35
  4. Step 4: Simplify right side
    292,275.25x = 40,602,752,370.86
  5. Step 5: Solve for x
    x = 40,602,752,370.86/292,275.25
  6. Step 6: Final answer
    x = 138,919.57

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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.