Home / 150,940.35-208,317.45-97,381.18

Finding the Fourth Proportional to 150,940.35, 208,317.45 and 97,381.18

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Solution

The fourth proportional to 150,940.35, 208,317.45 and 97,381.18 is: 134,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,940.35 : 208,317.45 = 97,381.18 : x
  2. Step 2: Convert to fraction form
    150,940.35/208,317.45 = 97,381.18/x
  3. Step 3: Cross multiply
    150,940.35x = 208,317.45 × 97,381.18
  4. Step 4: Simplify right side
    150,940.35x = 20,286,199,095.59
  5. Step 5: Solve for x
    x = 20,286,199,095.59/150,940.35
  6. Step 6: Final answer
    x = 134,398.78

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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.