Home / 355,523.18-533,035.78-130,854.50

Finding the Fourth Proportional to 355,523.18, 533,035.78 and 130,854.50

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Solution

The fourth proportional to 355,523.18, 533,035.78 and 130,854.50 is: 196,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,523.18 : 533,035.78 = 130,854.50 : x
  2. Step 2: Convert to fraction form
    355,523.18/533,035.78 = 130,854.50/x
  3. Step 3: Cross multiply
    355,523.18x = 533,035.78 × 130,854.50
  4. Step 4: Simplify right side
    355,523.18x = 69,750,127,154.56
  5. Step 5: Solve for x
    x = 69,750,127,154.56/355,523.18
  6. Step 6: Final answer
    x = 196,190.10

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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.