Home / 254,628.15-351,417.39-152,709.68

Finding the Fourth Proportional to 254,628.15, 351,417.39 and 152,709.68

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Solution

The fourth proportional to 254,628.15, 351,417.39 and 152,709.68 is: 210,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,628.15 : 351,417.39 = 152,709.68 : x
  2. Step 2: Convert to fraction form
    254,628.15/351,417.39 = 152,709.68/x
  3. Step 3: Cross multiply
    254,628.15x = 351,417.39 × 152,709.68
  4. Step 4: Simplify right side
    254,628.15x = 53,664,835,416.25
  5. Step 5: Solve for x
    x = 53,664,835,416.25/254,628.15
  6. Step 6: Final answer
    x = 210,757.67

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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.