Home / 106,020.64-146,308.80-58,278.88

Finding the Fourth Proportional to 106,020.64, 146,308.80 and 58,278.88

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Solution

The fourth proportional to 106,020.64, 146,308.80 and 58,278.88 is: 80,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,020.64 : 146,308.80 = 58,278.88 : x
  2. Step 2: Convert to fraction form
    106,020.64/146,308.80 = 58,278.88/x
  3. Step 3: Cross multiply
    106,020.64x = 146,308.80 × 58,278.88
  4. Step 4: Simplify right side
    106,020.64x = 8,526,712,998.14
  5. Step 5: Solve for x
    x = 8,526,712,998.14/106,020.64
  6. Step 6: Final answer
    x = 80,425.03

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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.