Home / 122,454.23-183,435.30-69,802.20

Finding the Fourth Proportional to 122,454.23, 183,435.30 and 69,802.20

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Solution

The fourth proportional to 122,454.23, 183,435.30 and 69,802.20 is: 104,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,454.23 : 183,435.30 = 69,802.20 : x
  2. Step 2: Convert to fraction form
    122,454.23/183,435.30 = 69,802.20/x
  3. Step 3: Cross multiply
    122,454.23x = 183,435.30 × 69,802.20
  4. Step 4: Simplify right side
    122,454.23x = 12,804,187,497.66
  5. Step 5: Solve for x
    x = 12,804,187,497.66/122,454.23
  6. Step 6: Final answer
    x = 104,563.05

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1.5x scale

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.