Home / 157,840.50-236,760.32-130,026.72

Finding the Fourth Proportional to 157,840.50, 236,760.32 and 130,026.72

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Solution

The fourth proportional to 157,840.50, 236,760.32 and 130,026.72 is: 195,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,840.50 : 236,760.32 = 130,026.72 : x
  2. Step 2: Convert to fraction form
    157,840.50/236,760.32 = 130,026.72/x
  3. Step 3: Cross multiply
    157,840.50x = 236,760.32 × 130,026.72
  4. Step 4: Simplify right side
    157,840.50x = 30,785,167,835.75
  5. Step 5: Solve for x
    x = 30,785,167,835.75/157,840.50
  6. Step 6: Final answer
    x = 195,039.73

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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.