Home / 132,048.40-197,999.70-43,256.20

Finding the Fourth Proportional to 132,048.40, 197,999.70 and 43,256.20

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Solution

The fourth proportional to 132,048.40, 197,999.70 and 43,256.20 is: 64,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,048.40 : 197,999.70 = 43,256.20 : x
  2. Step 2: Convert to fraction form
    132,048.40/197,999.70 = 43,256.20/x
  3. Step 3: Cross multiply
    132,048.40x = 197,999.70 × 43,256.20
  4. Step 4: Simplify right side
    132,048.40x = 8,564,714,623.14
  5. Step 5: Solve for x
    x = 8,564,714,623.14/132,048.40
  6. Step 6: Final answer
    x = 64,860.42

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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.