Home / 355,357.67-533,246.49-130,875.89

Finding the Fourth Proportional to 355,357.67, 533,246.49 and 130,875.89

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Solution

The fourth proportional to 355,357.67, 533,246.49 and 130,875.89 is: 196,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,357.67 : 533,246.49 = 130,875.89 : x
  2. Step 2: Convert to fraction form
    355,357.67/533,246.49 = 130,875.89/x
  3. Step 3: Cross multiply
    355,357.67x = 533,246.49 × 130,875.89
  4. Step 4: Simplify right side
    355,357.67x = 69,789,106,301.89
  5. Step 5: Solve for x
    x = 69,789,106,301.89/355,357.67
  6. Step 6: Final answer
    x = 196,391.17

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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.