Home / 358,433.12-537,648.90-105,890.92

Finding the Fourth Proportional to 358,433.12, 537,648.90 and 105,890.92

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Solution

The fourth proportional to 358,433.12, 537,648.90 and 105,890.92 is: 158,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,433.12 : 537,648.90 = 105,890.92 : x
  2. Step 2: Convert to fraction form
    358,433.12/537,648.90 = 105,890.92/x
  3. Step 3: Cross multiply
    358,433.12x = 537,648.90 × 105,890.92
  4. Step 4: Simplify right side
    358,433.12x = 56,932,136,657.99
  5. Step 5: Solve for x
    x = 56,932,136,657.99/358,433.12
  6. Step 6: Final answer
    x = 158,836.15

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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.