Home / 103,666.90-155,507.41-35,250.59

Finding the Fourth Proportional to 103,666.90, 155,507.41 and 35,250.59

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Solution

The fourth proportional to 103,666.90, 155,507.41 and 35,250.59 is: 52,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.90 : 155,507.41 = 35,250.59 : x
  2. Step 2: Convert to fraction form
    103,666.90/155,507.41 = 35,250.59/x
  3. Step 3: Cross multiply
    103,666.90x = 155,507.41 × 35,250.59
  4. Step 4: Simplify right side
    103,666.90x = 5,481,727,951.87
  5. Step 5: Solve for x
    x = 5,481,727,951.87/103,666.90
  6. Step 6: Final answer
    x = 52,878.29

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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.