Home / 195,520.15-293,070.57-128,026.54

Finding the Fourth Proportional to 195,520.15, 293,070.57 and 128,026.54

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Solution

The fourth proportional to 195,520.15, 293,070.57 and 128,026.54 is: 191,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,520.15 : 293,070.57 = 128,026.54 : x
  2. Step 2: Convert to fraction form
    195,520.15/293,070.57 = 128,026.54/x
  3. Step 3: Cross multiply
    195,520.15x = 293,070.57 × 128,026.54
  4. Step 4: Simplify right side
    195,520.15x = 37,520,811,052.93
  5. Step 5: Solve for x
    x = 37,520,811,052.93/195,520.15
  6. Step 6: Final answer
    x = 191,902.53

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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.