Home / 122,377.66-183,585.22-66,225.74

Finding the Fourth Proportional to 122,377.66, 183,585.22 and 66,225.74

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Solution

The fourth proportional to 122,377.66, 183,585.22 and 66,225.74 is: 99,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377.66 : 183,585.22 = 66,225.74 : x
  2. Step 2: Convert to fraction form
    122,377.66/183,585.22 = 66,225.74/x
  3. Step 3: Cross multiply
    122,377.66x = 183,585.22 × 66,225.74
  4. Step 4: Simplify right side
    122,377.66x = 12,158,065,964.07
  5. Step 5: Solve for x
    x = 12,158,065,964.07/122,377.66
  6. Step 6: Final answer
    x = 99,348.74

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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.