Home / 150,877.10-208,123.79-94,190.06

Finding the Fourth Proportional to 150,877.10, 208,123.79 and 94,190.06

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Solution

The fourth proportional to 150,877.10, 208,123.79 and 94,190.06 is: 129,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,877.10 : 208,123.79 = 94,190.06 : x
  2. Step 2: Convert to fraction form
    150,877.10/208,123.79 = 94,190.06/x
  3. Step 3: Cross multiply
    150,877.10x = 208,123.79 × 94,190.06
  4. Step 4: Simplify right side
    150,877.10x = 19,603,193,023.31
  5. Step 5: Solve for x
    x = 19,603,193,023.31/150,877.10
  6. Step 6: Final answer
    x = 129,928.22

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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.