Home / 104,282.69-156,423.96-90,200.84

Finding the Fourth Proportional to 104,282.69, 156,423.96 and 90,200.84

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Solution

The fourth proportional to 104,282.69, 156,423.96 and 90,200.84 is: 135,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,282.69 : 156,423.96 = 90,200.84 : x
  2. Step 2: Convert to fraction form
    104,282.69/156,423.96 = 90,200.84/x
  3. Step 3: Cross multiply
    104,282.69x = 156,423.96 × 90,200.84
  4. Step 4: Simplify right side
    104,282.69x = 14,109,571,806.01
  5. Step 5: Solve for x
    x = 14,109,571,806.01/104,282.69
  6. Step 6: Final answer
    x = 135,301.19

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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.