Home / 357,899.24-536,455.19-147,422.36

Finding the Fourth Proportional to 357,899.24, 536,455.19 and 147,422.36

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Solution

The fourth proportional to 357,899.24, 536,455.19 and 147,422.36 is: 220,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,899.24 : 536,455.19 = 147,422.36 : x
  2. Step 2: Convert to fraction form
    357,899.24/536,455.19 = 147,422.36/x
  3. Step 3: Cross multiply
    357,899.24x = 536,455.19 × 147,422.36
  4. Step 4: Simplify right side
    357,899.24x = 79,085,490,144.05
  5. Step 5: Solve for x
    x = 79,085,490,144.05/357,899.24
  6. Step 6: Final answer
    x = 220,971.38

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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.