Home / 122,953.20-184,429.80-122,078.40

Finding the Fourth Proportional to 122,953.20, 184,429.80 and 122,078.40

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Solution

The fourth proportional to 122,953.20, 184,429.80 and 122,078.40 is: 183,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,953.20 : 184,429.80 = 122,078.40 : x
  2. Step 2: Convert to fraction form
    122,953.20/184,429.80 = 122,078.40/x
  3. Step 3: Cross multiply
    122,953.20x = 184,429.80 × 122,078.40
  4. Step 4: Simplify right side
    122,953.20x = 22,514,894,896.32
  5. Step 5: Solve for x
    x = 22,514,894,896.32/122,953.20
  6. Step 6: Final answer
    x = 183,117.60

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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.