Home / 130,752.20-196,157.64-42,010.76

Finding the Fourth Proportional to 130,752.20, 196,157.64 and 42,010.76

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Solution

The fourth proportional to 130,752.20, 196,157.64 and 42,010.76 is: 63,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,752.20 : 196,157.64 = 42,010.76 : x
  2. Step 2: Convert to fraction form
    130,752.20/196,157.64 = 42,010.76/x
  3. Step 3: Cross multiply
    130,752.20x = 196,157.64 × 42,010.76
  4. Step 4: Simplify right side
    130,752.20x = 8,240,731,536.21
  5. Step 5: Solve for x
    x = 8,240,731,536.21/130,752.20
  6. Step 6: Final answer
    x = 63,025.57

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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.