Home / 149,666.94-206,575.79-86,041.71

Finding the Fourth Proportional to 149,666.94, 206,575.79 and 86,041.71

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Solution

The fourth proportional to 149,666.94, 206,575.79 and 86,041.71 is: 118,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,666.94 : 206,575.79 = 86,041.71 : x
  2. Step 2: Convert to fraction form
    149,666.94/206,575.79 = 86,041.71/x
  3. Step 3: Cross multiply
    149,666.94x = 206,575.79 × 86,041.71
  4. Step 4: Simplify right side
    149,666.94x = 17,774,133,785.99
  5. Step 5: Solve for x
    x = 17,774,133,785.99/149,666.94
  6. Step 6: Final answer
    x = 118,757.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.