Home / 122,570.48-183,684.36-66,289.04

Finding the Fourth Proportional to 122,570.48, 183,684.36 and 66,289.04

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Solution

The fourth proportional to 122,570.48, 183,684.36 and 66,289.04 is: 99,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,570.48 : 183,684.36 = 66,289.04 : x
  2. Step 2: Convert to fraction form
    122,570.48/183,684.36 = 66,289.04/x
  3. Step 3: Cross multiply
    122,570.48x = 183,684.36 × 66,289.04
  4. Step 4: Simplify right side
    122,570.48x = 12,176,259,887.41
  5. Step 5: Solve for x
    x = 12,176,259,887.41/122,570.48
  6. Step 6: Final answer
    x = 99,340.88

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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.