Home / 120,639.56-180,939.18-37,527.08

Finding the Fourth Proportional to 120,639.56, 180,939.18 and 37,527.08

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Solution

The fourth proportional to 120,639.56, 180,939.18 and 37,527.08 is: 56,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,639.56 : 180,939.18 = 37,527.08 : x
  2. Step 2: Convert to fraction form
    120,639.56/180,939.18 = 37,527.08/x
  3. Step 3: Cross multiply
    120,639.56x = 180,939.18 × 37,527.08
  4. Step 4: Simplify right side
    120,639.56x = 6,790,119,082.99
  5. Step 5: Solve for x
    x = 6,790,119,082.99/120,639.56
  6. Step 6: Final answer
    x = 56,284.35

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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.