Home / 131,900.76-197,875.44-43,159.24

Finding the Fourth Proportional to 131,900.76, 197,875.44 and 43,159.24

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Solution

The fourth proportional to 131,900.76, 197,875.44 and 43,159.24 is: 64,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,900.76 : 197,875.44 = 43,159.24 : x
  2. Step 2: Convert to fraction form
    131,900.76/197,875.44 = 43,159.24/x
  3. Step 3: Cross multiply
    131,900.76x = 197,875.44 × 43,159.24
  4. Step 4: Simplify right side
    131,900.76x = 8,540,153,605.07
  5. Step 5: Solve for x
    x = 8,540,153,605.07/131,900.76
  6. Step 6: Final answer
    x = 64,746.81

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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.