Home / 168,872.23-253,303.48-42,512.23

Finding the Fourth Proportional to 168,872.23, 253,303.48 and 42,512.23

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Solution

The fourth proportional to 168,872.23, 253,303.48 and 42,512.23 is: 63,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872.23 : 253,303.48 = 42,512.23 : x
  2. Step 2: Convert to fraction form
    168,872.23/253,303.48 = 42,512.23/x
  3. Step 3: Cross multiply
    168,872.23x = 253,303.48 × 42,512.23
  4. Step 4: Simplify right side
    168,872.23x = 10,768,495,801.56
  5. Step 5: Solve for x
    x = 10,768,495,801.56/168,872.23
  6. Step 6: Final answer
    x = 63,767.12

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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.