Home / 310,026.24-465,120-88,427.52

Finding the Fourth Proportional to 310,026.24, 465,120 and 88,427.52

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Solution

The fourth proportional to 310,026.24, 465,120 and 88,427.52 is: 132,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,026.24 : 465,120 = 88,427.52 : x
  2. Step 2: Convert to fraction form
    310,026.24/465,120 = 88,427.52/x
  3. Step 3: Cross multiply
    310,026.24x = 465,120 × 88,427.52
  4. Step 4: Simplify right side
    310,026.24x = 41,129,408,102.40
  5. Step 5: Solve for x
    x = 41,129,408,102.40/310,026.24
  6. Step 6: Final answer
    x = 132,664.28

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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.