Home / 147,500.39-203,491.09-85,370.00

Finding the Fourth Proportional to 147,500.39, 203,491.09 and 85,370.00

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Solution

The fourth proportional to 147,500.39, 203,491.09 and 85,370.00 is: 117,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.39 : 203,491.09 = 85,370.00 : x
  2. Step 2: Convert to fraction form
    147,500.39/203,491.09 = 85,370.00/x
  3. Step 3: Cross multiply
    147,500.39x = 203,491.09 × 85,370.00
  4. Step 4: Simplify right side
    147,500.39x = 17,372,034,106.99
  5. Step 5: Solve for x
    x = 17,372,034,106.99/147,500.39
  6. Step 6: Final answer
    x = 117,776.19

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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.