Home / 355,769.64-533,635.16-89,529.66

Finding the Fourth Proportional to 355,769.64, 533,635.16 and 89,529.66

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Solution

The fourth proportional to 355,769.64, 533,635.16 and 89,529.66 is: 134,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,769.64 : 533,635.16 = 89,529.66 : x
  2. Step 2: Convert to fraction form
    355,769.64/533,635.16 = 89,529.66/x
  3. Step 3: Cross multiply
    355,769.64x = 533,635.16 × 89,529.66
  4. Step 4: Simplify right side
    355,769.64x = 47,776,173,991.20
  5. Step 5: Solve for x
    x = 47,776,173,991.20/355,769.64
  6. Step 6: Final answer
    x = 134,289.63

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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.