Home / 122,460.10-183,463.35-69,712.90

Finding the Fourth Proportional to 122,460.10, 183,463.35 and 69,712.90

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Solution

The fourth proportional to 122,460.10, 183,463.35 and 69,712.90 is: 104,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,460.10 : 183,463.35 = 69,712.90 : x
  2. Step 2: Convert to fraction form
    122,460.10/183,463.35 = 69,712.90/x
  3. Step 3: Cross multiply
    122,460.10x = 183,463.35 × 69,712.90
  4. Step 4: Simplify right side
    122,460.10x = 12,789,762,172.22
  5. Step 5: Solve for x
    x = 12,789,762,172.22/122,460.10
  6. Step 6: Final answer
    x = 104,440.24

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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.