Home / 102,142.10-153,237.74-32,021.42

Finding the Fourth Proportional to 102,142.10, 153,237.74 and 32,021.42

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Solution

The fourth proportional to 102,142.10, 153,237.74 and 32,021.42 is: 48,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,142.10 : 153,237.74 = 32,021.42 : x
  2. Step 2: Convert to fraction form
    102,142.10/153,237.74 = 32,021.42/x
  3. Step 3: Cross multiply
    102,142.10x = 153,237.74 × 32,021.42
  4. Step 4: Simplify right side
    102,142.10x = 4,906,889,106.10
  5. Step 5: Solve for x
    x = 4,906,889,106.10/102,142.10
  6. Step 6: Final answer
    x = 48,039.83

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1.5x scale

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.