Home / 358,499.64-537,660.18-109,178.04

Finding the Fourth Proportional to 358,499.64, 537,660.18 and 109,178.04

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Solution

The fourth proportional to 358,499.64, 537,660.18 and 109,178.04 is: 163,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,499.64 : 537,660.18 = 109,178.04 : x
  2. Step 2: Convert to fraction form
    358,499.64/537,660.18 = 109,178.04/x
  3. Step 3: Cross multiply
    358,499.64x = 537,660.18 × 109,178.04
  4. Step 4: Simplify right side
    358,499.64x = 58,700,684,638.45
  5. Step 5: Solve for x
    x = 58,700,684,638.45/358,499.64
  6. Step 6: Final answer
    x = 163,739.87

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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.