Home / 150,943.40-208,306.88-82,962.80

Finding the Fourth Proportional to 150,943.40, 208,306.88 and 82,962.80

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Solution

The fourth proportional to 150,943.40, 208,306.88 and 82,962.80 is: 114,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,943.40 : 208,306.88 = 82,962.80 : x
  2. Step 2: Convert to fraction form
    150,943.40/208,306.88 = 82,962.80/x
  3. Step 3: Cross multiply
    150,943.40x = 208,306.88 × 82,962.80
  4. Step 4: Simplify right side
    150,943.40x = 17,281,720,567.72
  5. Step 5: Solve for x
    x = 17,281,720,567.72/150,943.40
  6. Step 6: Final answer
    x = 114,491.40

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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.