Home / 131,752.40-197,628.60-43,008.80

Finding the Fourth Proportional to 131,752.40, 197,628.60 and 43,008.80

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Solution

The fourth proportional to 131,752.40, 197,628.60 and 43,008.80 is: 64,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752.40 : 197,628.60 = 43,008.80 : x
  2. Step 2: Convert to fraction form
    131,752.40/197,628.60 = 43,008.80/x
  3. Step 3: Cross multiply
    131,752.40x = 197,628.60 × 43,008.80
  4. Step 4: Simplify right side
    131,752.40x = 8,499,768,931.68
  5. Step 5: Solve for x
    x = 8,499,768,931.68/131,752.40
  6. Step 6: Final answer
    x = 64,513.20

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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.