Home / 103,094.35-142,273.70-98,370.43

Finding the Fourth Proportional to 103,094.35, 142,273.70 and 98,370.43

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Solution

The fourth proportional to 103,094.35, 142,273.70 and 98,370.43 is: 135,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,094.35 : 142,273.70 = 98,370.43 : x
  2. Step 2: Convert to fraction form
    103,094.35/142,273.70 = 98,370.43/x
  3. Step 3: Cross multiply
    103,094.35x = 142,273.70 × 98,370.43
  4. Step 4: Simplify right side
    103,094.35x = 13,995,524,568.04
  5. Step 5: Solve for x
    x = 13,995,524,568.04/103,094.35
  6. Step 6: Final answer
    x = 135,754.53

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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.