Home / 181,928.48-272,921.84-76,762.92

Finding the Fourth Proportional to 181,928.48, 272,921.84 and 76,762.92

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Solution

The fourth proportional to 181,928.48, 272,921.84 and 76,762.92 is: 115,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,928.48 : 272,921.84 = 76,762.92 : x
  2. Step 2: Convert to fraction form
    181,928.48/272,921.84 = 76,762.92/x
  3. Step 3: Cross multiply
    181,928.48x = 272,921.84 × 76,762.92
  4. Step 4: Simplify right side
    181,928.48x = 20,950,277,370.17
  5. Step 5: Solve for x
    x = 20,950,277,370.17/181,928.48
  6. Step 6: Final answer
    x = 115,156.67

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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.