Home / 122,785.20-183,881.88-70,034.76

Finding the Fourth Proportional to 122,785.20, 183,881.88 and 70,034.76

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Solution

The fourth proportional to 122,785.20, 183,881.88 and 70,034.76 is: 104,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,785.20 : 183,881.88 = 70,034.76 : x
  2. Step 2: Convert to fraction form
    122,785.20/183,881.88 = 70,034.76/x
  3. Step 3: Cross multiply
    122,785.20x = 183,881.88 × 70,034.76
  4. Step 4: Simplify right side
    122,785.20x = 12,878,123,334.15
  5. Step 5: Solve for x
    x = 12,878,123,334.15/122,785.20
  6. Step 6: Final answer
    x = 104,883.35

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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.