Home / 147,927.63-204,140.12-80,859.63

Finding the Fourth Proportional to 147,927.63, 204,140.12 and 80,859.63

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Solution

The fourth proportional to 147,927.63, 204,140.12 and 80,859.63 is: 111,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,927.63 : 204,140.12 = 80,859.63 : x
  2. Step 2: Convert to fraction form
    147,927.63/204,140.12 = 80,859.63/x
  3. Step 3: Cross multiply
    147,927.63x = 204,140.12 × 80,859.63
  4. Step 4: Simplify right side
    147,927.63x = 16,506,693,752.80
  5. Step 5: Solve for x
    x = 16,506,693,752.80/147,927.63
  6. Step 6: Final answer
    x = 111,586.28

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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.