Home / 355,713.04-533,576.50-130,957.78

Finding the Fourth Proportional to 355,713.04, 533,576.50 and 130,957.78

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Solution

The fourth proportional to 355,713.04, 533,576.50 and 130,957.78 is: 196,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,713.04 : 533,576.50 = 130,957.78 : x
  2. Step 2: Convert to fraction form
    355,713.04/533,576.50 = 130,957.78/x
  3. Step 3: Cross multiply
    355,713.04x = 533,576.50 × 130,957.78
  4. Step 4: Simplify right side
    355,713.04x = 69,875,991,232.29
  5. Step 5: Solve for x
    x = 69,875,991,232.29/355,713.04
  6. Step 6: Final answer
    x = 196,439.22

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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.