Home / 132,420.01-182,743.22-71,994.72

Finding the Fourth Proportional to 132,420.01, 182,743.22 and 71,994.72

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Solution

The fourth proportional to 132,420.01, 182,743.22 and 71,994.72 is: 99,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,420.01 : 182,743.22 = 71,994.72 : x
  2. Step 2: Convert to fraction form
    132,420.01/182,743.22 = 71,994.72/x
  3. Step 3: Cross multiply
    132,420.01x = 182,743.22 × 71,994.72
  4. Step 4: Simplify right side
    132,420.01x = 13,156,546,955.80
  5. Step 5: Solve for x
    x = 13,156,546,955.80/132,420.01
  6. Step 6: Final answer
    x = 99,354.67

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1.5x scale

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.