Home / 358,132.28-537,140.03-105,353.66

Finding the Fourth Proportional to 358,132.28, 537,140.03 and 105,353.66

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Solution

The fourth proportional to 358,132.28, 537,140.03 and 105,353.66 is: 158,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,132.28 : 537,140.03 = 105,353.66 : x
  2. Step 2: Convert to fraction form
    358,132.28/537,140.03 = 105,353.66/x
  3. Step 3: Cross multiply
    358,132.28x = 537,140.03 × 105,353.66
  4. Step 4: Simplify right side
    358,132.28x = 56,589,664,880.54
  5. Step 5: Solve for x
    x = 56,589,664,880.54/358,132.28
  6. Step 6: Final answer
    x = 158,013.31

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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.