Home / 147,769.61-203,929.94-84,127.91

Finding the Fourth Proportional to 147,769.61, 203,929.94 and 84,127.91

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Solution

The fourth proportional to 147,769.61, 203,929.94 and 84,127.91 is: 116,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,769.61 : 203,929.94 = 84,127.91 : x
  2. Step 2: Convert to fraction form
    147,769.61/203,929.94 = 84,127.91/x
  3. Step 3: Cross multiply
    147,769.61x = 203,929.94 × 84,127.91
  4. Step 4: Simplify right side
    147,769.61x = 17,156,199,217.99
  5. Step 5: Solve for x
    x = 17,156,199,217.99/147,769.61
  6. Step 6: Final answer
    x = 116,101.00

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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.