Home / 172,070.72-236,908.32-146,818.88

Finding the Fourth Proportional to 172,070.72, 236,908.32 and 146,818.88

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Solution

The fourth proportional to 172,070.72, 236,908.32 and 146,818.88 is: 202,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,070.72 : 236,908.32 = 146,818.88 : x
  2. Step 2: Convert to fraction form
    172,070.72/236,908.32 = 146,818.88/x
  3. Step 3: Cross multiply
    172,070.72x = 236,908.32 × 146,818.88
  4. Step 4: Simplify right side
    172,070.72x = 34,782,614,205.08
  5. Step 5: Solve for x
    x = 34,782,614,205.08/172,070.72
  6. Step 6: Final answer
    x = 202,141.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.