Home / 102,740.58-154,123.22-36,166.88

Finding the Fourth Proportional to 102,740.58, 154,123.22 and 36,166.88

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Solution

The fourth proportional to 102,740.58, 154,123.22 and 36,166.88 is: 54,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,740.58 : 154,123.22 = 36,166.88 : x
  2. Step 2: Convert to fraction form
    102,740.58/154,123.22 = 36,166.88/x
  3. Step 3: Cross multiply
    102,740.58x = 154,123.22 × 36,166.88
  4. Step 4: Simplify right side
    102,740.58x = 5,574,156,478.68
  5. Step 5: Solve for x
    x = 5,574,156,478.68/102,740.58
  6. Step 6: Final answer
    x = 54,254.67

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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.