Home / 122,182.08-183,356.15-66,039.41

Finding the Fourth Proportional to 122,182.08, 183,356.15 and 66,039.41

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Solution

The fourth proportional to 122,182.08, 183,356.15 and 66,039.41 is: 99,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,182.08 : 183,356.15 = 66,039.41 : x
  2. Step 2: Convert to fraction form
    122,182.08/183,356.15 = 66,039.41/x
  3. Step 3: Cross multiply
    122,182.08x = 183,356.15 × 66,039.41
  4. Step 4: Simplify right side
    122,182.08x = 12,108,730,718.89
  5. Step 5: Solve for x
    x = 12,108,730,718.89/122,182.08
  6. Step 6: Final answer
    x = 99,103.98

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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.