Home / 187,220.20-280,830.30-93,713.80

Finding the Fourth Proportional to 187,220.20, 280,830.30 and 93,713.80

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Solution

The fourth proportional to 187,220.20, 280,830.30 and 93,713.80 is: 140,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.20 : 280,830.30 = 93,713.80 : x
  2. Step 2: Convert to fraction form
    187,220.20/280,830.30 = 93,713.80/x
  3. Step 3: Cross multiply
    187,220.20x = 280,830.30 × 93,713.80
  4. Step 4: Simplify right side
    187,220.20x = 26,317,674,568.14
  5. Step 5: Solve for x
    x = 26,317,674,568.14/187,220.20
  6. Step 6: Final answer
    x = 140,570.70

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1.5x scale

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.