Home / 122,818.06-184,216.50-74,774.22

Finding the Fourth Proportional to 122,818.06, 184,216.50 and 74,774.22

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Solution

The fourth proportional to 122,818.06, 184,216.50 and 74,774.22 is: 112,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,818.06 : 184,216.50 = 74,774.22 : x
  2. Step 2: Convert to fraction form
    122,818.06/184,216.50 = 74,774.22/x
  3. Step 3: Cross multiply
    122,818.06x = 184,216.50 × 74,774.22
  4. Step 4: Simplify right side
    122,818.06x = 13,774,645,098.63
  5. Step 5: Solve for x
    x = 13,774,645,098.63/122,818.06
  6. Step 6: Final answer
    x = 112,154.88

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1.5x scale

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.