Home / 151,028.79-208,420.53-83,050.17

Finding the Fourth Proportional to 151,028.79, 208,420.53 and 83,050.17

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Solution

The fourth proportional to 151,028.79, 208,420.53 and 83,050.17 is: 114,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,028.79 : 208,420.53 = 83,050.17 : x
  2. Step 2: Convert to fraction form
    151,028.79/208,420.53 = 83,050.17/x
  3. Step 3: Cross multiply
    151,028.79x = 208,420.53 × 83,050.17
  4. Step 4: Simplify right side
    151,028.79x = 17,309,360,447.99
  5. Step 5: Solve for x
    x = 17,309,360,447.99/151,028.79
  6. Step 6: Final answer
    x = 114,609.67

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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.