Home / 104,818.40-157,083.60-67,263.20

Finding the Fourth Proportional to 104,818.40, 157,083.60 and 67,263.20

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Solution

The fourth proportional to 104,818.40, 157,083.60 and 67,263.20 is: 100,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,818.40 : 157,083.60 = 67,263.20 : x
  2. Step 2: Convert to fraction form
    104,818.40/157,083.60 = 67,263.20/x
  3. Step 3: Cross multiply
    104,818.40x = 157,083.60 × 67,263.20
  4. Step 4: Simplify right side
    104,818.40x = 10,565,945,603.52
  5. Step 5: Solve for x
    x = 10,565,945,603.52/104,818.40
  6. Step 6: Final answer
    x = 100,802.39

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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.