Home / 127,374.37-191,061.55-57,171.67

Finding the Fourth Proportional to 127,374.37, 191,061.55 and 57,171.67

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Solution

The fourth proportional to 127,374.37, 191,061.55 and 57,171.67 is: 85,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,374.37 : 191,061.55 = 57,171.67 : x
  2. Step 2: Convert to fraction form
    127,374.37/191,061.55 = 57,171.67/x
  3. Step 3: Cross multiply
    127,374.37x = 191,061.55 × 57,171.67
  4. Step 4: Simplify right side
    127,374.37x = 10,923,307,265.71
  5. Step 5: Solve for x
    x = 10,923,307,265.71/127,374.37
  6. Step 6: Final answer
    x = 85,757.50

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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.