Home / 101,389.12-152,148.96-54,674.56

Finding the Fourth Proportional to 101,389.12, 152,148.96 and 54,674.56

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Solution

The fourth proportional to 101,389.12, 152,148.96 and 54,674.56 is: 82,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,389.12 : 152,148.96 = 54,674.56 : x
  2. Step 2: Convert to fraction form
    101,389.12/152,148.96 = 54,674.56/x
  3. Step 3: Cross multiply
    101,389.12x = 152,148.96 × 54,674.56
  4. Step 4: Simplify right side
    101,389.12x = 8,318,677,442.46
  5. Step 5: Solve for x
    x = 8,318,677,442.46/101,389.12
  6. Step 6: Final answer
    x = 82,047.04

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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.