Home / 131,770.28-197,674.50-43,005.32

Finding the Fourth Proportional to 131,770.28, 197,674.50 and 43,005.32

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Solution

The fourth proportional to 131,770.28, 197,674.50 and 43,005.32 is: 64,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,770.28 : 197,674.50 = 43,005.32 : x
  2. Step 2: Convert to fraction form
    131,770.28/197,674.50 = 43,005.32/x
  3. Step 3: Cross multiply
    131,770.28x = 197,674.50 × 43,005.32
  4. Step 4: Simplify right side
    131,770.28x = 8,501,055,128.34
  5. Step 5: Solve for x
    x = 8,501,055,128.34/131,770.28
  6. Step 6: Final answer
    x = 64,514.21

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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.