Home / 149,721.17-206,615.26-82,653.17

Finding the Fourth Proportional to 149,721.17, 206,615.26 and 82,653.17

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Solution

The fourth proportional to 149,721.17, 206,615.26 and 82,653.17 is: 114,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,721.17 : 206,615.26 = 82,653.17 : x
  2. Step 2: Convert to fraction form
    149,721.17/206,615.26 = 82,653.17/x
  3. Step 3: Cross multiply
    149,721.17x = 206,615.26 × 82,653.17
  4. Step 4: Simplify right side
    149,721.17x = 17,077,406,209.37
  5. Step 5: Solve for x
    x = 17,077,406,209.37/149,721.17
  6. Step 6: Final answer
    x = 114,061.40

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1.5x scale

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.