Home / 185,023.16-255,158.62-122,823.60

Finding the Fourth Proportional to 185,023.16, 255,158.62 and 122,823.60

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Solution

The fourth proportional to 185,023.16, 255,158.62 and 122,823.60 is: 169,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,023.16 : 255,158.62 = 122,823.60 : x
  2. Step 2: Convert to fraction form
    185,023.16/255,158.62 = 122,823.60/x
  3. Step 3: Cross multiply
    185,023.16x = 255,158.62 × 122,823.60
  4. Step 4: Simplify right side
    185,023.16x = 31,339,500,279.43
  5. Step 5: Solve for x
    x = 31,339,500,279.43/185,023.16
  6. Step 6: Final answer
    x = 169,381.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.