Home / 355,884.19-533,826.28-156,206.30

Finding the Fourth Proportional to 355,884.19, 533,826.28 and 156,206.30

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Solution

The fourth proportional to 355,884.19, 533,826.28 and 156,206.30 is: 234,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,884.19 : 533,826.28 = 156,206.30 : x
  2. Step 2: Convert to fraction form
    355,884.19/533,826.28 = 156,206.30/x
  3. Step 3: Cross multiply
    355,884.19x = 533,826.28 × 156,206.30
  4. Step 4: Simplify right side
    355,884.19x = 83,387,028,041.56
  5. Step 5: Solve for x
    x = 83,387,028,041.56/355,884.19
  6. Step 6: Final answer
    x = 234,309.45

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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.