Home / 358,430.23-537,723.11-109,105.75

Finding the Fourth Proportional to 358,430.23, 537,723.11 and 109,105.75

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Solution

The fourth proportional to 358,430.23, 537,723.11 and 109,105.75 is: 163,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,430.23 : 537,723.11 = 109,105.75 : x
  2. Step 2: Convert to fraction form
    358,430.23/537,723.11 = 109,105.75/x
  3. Step 3: Cross multiply
    358,430.23x = 537,723.11 × 109,105.75
  4. Step 4: Simplify right side
    358,430.23x = 58,668,683,208.88
  5. Step 5: Solve for x
    x = 58,668,683,208.88/358,430.23
  6. Step 6: Final answer
    x = 163,682.30

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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.