Home / 131,303.16-196,913.40-42,536.10

Finding the Fourth Proportional to 131,303.16, 196,913.40 and 42,536.10

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Solution

The fourth proportional to 131,303.16, 196,913.40 and 42,536.10 is: 63,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,303.16 : 196,913.40 = 42,536.10 : x
  2. Step 2: Convert to fraction form
    131,303.16/196,913.40 = 42,536.10/x
  3. Step 3: Cross multiply
    131,303.16x = 196,913.40 × 42,536.10
  4. Step 4: Simplify right side
    131,303.16x = 8,375,928,073.74
  5. Step 5: Solve for x
    x = 8,375,928,073.74/131,303.16
  6. Step 6: Final answer
    x = 63,790.76

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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.