Home / 104,301.28-143,935.14-56,554.48

Finding the Fourth Proportional to 104,301.28, 143,935.14 and 56,554.48

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Solution

The fourth proportional to 104,301.28, 143,935.14 and 56,554.48 is: 78,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,301.28 : 143,935.14 = 56,554.48 : x
  2. Step 2: Convert to fraction form
    104,301.28/143,935.14 = 56,554.48/x
  3. Step 3: Cross multiply
    104,301.28x = 143,935.14 × 56,554.48
  4. Step 4: Simplify right side
    104,301.28x = 8,140,176,996.43
  5. Step 5: Solve for x
    x = 8,140,176,996.43/104,301.28
  6. Step 6: Final answer
    x = 78,044.84

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1.5x scale

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.