Home / 127,647.54-191,499.75-38,907.95

Finding the Fourth Proportional to 127,647.54, 191,499.75 and 38,907.95

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Solution

The fourth proportional to 127,647.54, 191,499.75 and 38,907.95 is: 58,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,647.54 : 191,499.75 = 38,907.95 : x
  2. Step 2: Convert to fraction form
    127,647.54/191,499.75 = 38,907.95/x
  3. Step 3: Cross multiply
    127,647.54x = 191,499.75 × 38,907.95
  4. Step 4: Simplify right side
    127,647.54x = 7,450,861,740.51
  5. Step 5: Solve for x
    x = 7,450,861,740.51/127,647.54
  6. Step 6: Final answer
    x = 58,370.59

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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.