Home / 131,783.13-197,686.84-43,037.10

Finding the Fourth Proportional to 131,783.13, 197,686.84 and 43,037.10

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Solution

The fourth proportional to 131,783.13, 197,686.84 and 43,037.10 is: 64,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,783.13 : 197,686.84 = 43,037.10 : x
  2. Step 2: Convert to fraction form
    131,783.13/197,686.84 = 43,037.10/x
  3. Step 3: Cross multiply
    131,783.13x = 197,686.84 × 43,037.10
  4. Step 4: Simplify right side
    131,783.13x = 8,507,868,194.17
  5. Step 5: Solve for x
    x = 8,507,868,194.17/131,783.13
  6. Step 6: Final answer
    x = 64,559.62

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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.