Home / 357,898.24-536,453.69-147,421.36

Finding the Fourth Proportional to 357,898.24, 536,453.69 and 147,421.36

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Solution

The fourth proportional to 357,898.24, 536,453.69 and 147,421.36 is: 220,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,898.24 : 536,453.69 = 147,421.36 : x
  2. Step 2: Convert to fraction form
    357,898.24/536,453.69 = 147,421.36/x
  3. Step 3: Cross multiply
    357,898.24x = 536,453.69 × 147,421.36
  4. Step 4: Simplify right side
    357,898.24x = 79,084,732,556.82
  5. Step 5: Solve for x
    x = 79,084,732,556.82/357,898.24
  6. Step 6: Final answer
    x = 220,969.88

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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.