Home / 127,485.05-191,227.50-60,722.75

Finding the Fourth Proportional to 127,485.05, 191,227.50 and 60,722.75

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Solution

The fourth proportional to 127,485.05, 191,227.50 and 60,722.75 is: 91,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,485.05 : 191,227.50 = 60,722.75 : x
  2. Step 2: Convert to fraction form
    127,485.05/191,227.50 = 60,722.75/x
  3. Step 3: Cross multiply
    127,485.05x = 191,227.50 × 60,722.75
  4. Step 4: Simplify right side
    127,485.05x = 11,611,860,153.69
  5. Step 5: Solve for x
    x = 11,611,860,153.69/127,485.05
  6. Step 6: Final answer
    x = 91,084.10

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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.