Home / 131,139.68-196,661.31-46,877.10

Finding the Fourth Proportional to 131,139.68, 196,661.31 and 46,877.10

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Solution

The fourth proportional to 131,139.68, 196,661.31 and 46,877.10 is: 70,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,139.68 : 196,661.31 = 46,877.10 : x
  2. Step 2: Convert to fraction form
    131,139.68/196,661.31 = 46,877.10/x
  3. Step 3: Cross multiply
    131,139.68x = 196,661.31 × 46,877.10
  4. Step 4: Simplify right side
    131,139.68x = 9,218,911,895.00
  5. Step 5: Solve for x
    x = 9,218,911,895.00/131,139.68
  6. Step 6: Final answer
    x = 70,298.42

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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.