Home / 358,639.68-537,873.20-105,851.92

Finding the Fourth Proportional to 358,639.68, 537,873.20 and 105,851.92

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Solution

The fourth proportional to 358,639.68, 537,873.20 and 105,851.92 is: 158,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,639.68 : 537,873.20 = 105,851.92 : x
  2. Step 2: Convert to fraction form
    358,639.68/537,873.20 = 105,851.92/x
  3. Step 3: Cross multiply
    358,639.68x = 537,873.20 × 105,851.92
  4. Step 4: Simplify right side
    358,639.68x = 56,934,910,936.54
  5. Step 5: Solve for x
    x = 56,934,910,936.54/358,639.68
  6. Step 6: Final answer
    x = 158,752.40

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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.