Home / 150,921.54-208,184.98-94,234.50

Finding the Fourth Proportional to 150,921.54, 208,184.98 and 94,234.50

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Solution

The fourth proportional to 150,921.54, 208,184.98 and 94,234.50 is: 129,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,921.54 : 208,184.98 = 94,234.50 : x
  2. Step 2: Convert to fraction form
    150,921.54/208,184.98 = 94,234.50/x
  3. Step 3: Cross multiply
    150,921.54x = 208,184.98 × 94,234.50
  4. Step 4: Simplify right side
    150,921.54x = 19,618,207,497.81
  5. Step 5: Solve for x
    x = 19,618,207,497.81/150,921.54
  6. Step 6: Final answer
    x = 129,989.45

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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.