Home / 134,712.64-185,894.85-74,283.67

Finding the Fourth Proportional to 134,712.64, 185,894.85 and 74,283.67

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Solution

The fourth proportional to 134,712.64, 185,894.85 and 74,283.67 is: 102,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,712.64 : 185,894.85 = 74,283.67 : x
  2. Step 2: Convert to fraction form
    134,712.64/185,894.85 = 74,283.67/x
  3. Step 3: Cross multiply
    134,712.64x = 185,894.85 × 74,283.67
  4. Step 4: Simplify right side
    134,712.64x = 13,808,951,692.10
  5. Step 5: Solve for x
    x = 13,808,951,692.10/134,712.64
  6. Step 6: Final answer
    x = 102,506.73

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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.