Home / 106,182.72-146,528.40-58,434.80

Finding the Fourth Proportional to 106,182.72, 146,528.40 and 58,434.80

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Solution

The fourth proportional to 106,182.72, 146,528.40 and 58,434.80 is: 80,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,182.72 : 146,528.40 = 58,434.80 : x
  2. Step 2: Convert to fraction form
    106,182.72/146,528.40 = 58,434.80/x
  3. Step 3: Cross multiply
    106,182.72x = 146,528.40 × 58,434.80
  4. Step 4: Simplify right side
    106,182.72x = 8,562,357,748.32
  5. Step 5: Solve for x
    x = 8,562,357,748.32/106,182.72
  6. Step 6: Final answer
    x = 80,637.96

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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.