Home / 358,103.85-537,156.08-91,864.40

Finding the Fourth Proportional to 358,103.85, 537,156.08 and 91,864.40

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Solution

The fourth proportional to 358,103.85, 537,156.08 and 91,864.40 is: 137,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,103.85 : 537,156.08 = 91,864.40 : x
  2. Step 2: Convert to fraction form
    358,103.85/537,156.08 = 91,864.40/x
  3. Step 3: Cross multiply
    358,103.85x = 537,156.08 × 91,864.40
  4. Step 4: Simplify right side
    358,103.85x = 49,345,518,194.94
  5. Step 5: Solve for x
    x = 49,345,518,194.94/358,103.85
  6. Step 6: Final answer
    x = 137,796.67

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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.