Home / 102,218.10-153,156.99-35,621.52

Finding the Fourth Proportional to 102,218.10, 153,156.99 and 35,621.52

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Solution

The fourth proportional to 102,218.10, 153,156.99 and 35,621.52 is: 53,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218.10 : 153,156.99 = 35,621.52 : x
  2. Step 2: Convert to fraction form
    102,218.10/153,156.99 = 35,621.52/x
  3. Step 3: Cross multiply
    102,218.10x = 153,156.99 × 35,621.52
  4. Step 4: Simplify right side
    102,218.10x = 5,455,684,782.42
  5. Step 5: Solve for x
    x = 5,455,684,782.42/102,218.10
  6. Step 6: Final answer
    x = 53,372.98

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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.