Home / 355,619.40-533,429.10-106,301.40

Finding the Fourth Proportional to 355,619.40, 533,429.10 and 106,301.40

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Solution

The fourth proportional to 355,619.40, 533,429.10 and 106,301.40 is: 159,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,619.40 : 533,429.10 = 106,301.40 : x
  2. Step 2: Convert to fraction form
    355,619.40/533,429.10 = 106,301.40/x
  3. Step 3: Cross multiply
    355,619.40x = 533,429.10 × 106,301.40
  4. Step 4: Simplify right side
    355,619.40x = 56,704,260,130.74
  5. Step 5: Solve for x
    x = 56,704,260,130.74/355,619.40
  6. Step 6: Final answer
    x = 159,452.10

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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.