Home / 150,963.28-208,329.80-82,987.22

Finding the Fourth Proportional to 150,963.28, 208,329.80 and 82,987.22

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Solution

The fourth proportional to 150,963.28, 208,329.80 and 82,987.22 is: 114,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,963.28 : 208,329.80 = 82,987.22 : x
  2. Step 2: Convert to fraction form
    150,963.28/208,329.80 = 82,987.22/x
  3. Step 3: Cross multiply
    150,963.28x = 208,329.80 × 82,987.22
  4. Step 4: Simplify right side
    150,963.28x = 17,288,710,465.12
  5. Step 5: Solve for x
    x = 17,288,710,465.12/150,963.28
  6. Step 6: Final answer
    x = 114,522.62

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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.