Home / 157,400.50-236,170.34-82,502.72

Finding the Fourth Proportional to 157,400.50, 236,170.34 and 82,502.72

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Solution

The fourth proportional to 157,400.50, 236,170.34 and 82,502.72 is: 123,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400.50 : 236,170.34 = 82,502.72 : x
  2. Step 2: Convert to fraction form
    157,400.50/236,170.34 = 82,502.72/x
  3. Step 3: Cross multiply
    157,400.50x = 236,170.34 × 82,502.72
  4. Step 4: Simplify right side
    157,400.50x = 19,484,695,433.32
  5. Step 5: Solve for x
    x = 19,484,695,433.32/157,400.50
  6. Step 6: Final answer
    x = 123,790.56

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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.