Home / 106,417.20-146,856.72-58,672.32

Finding the Fourth Proportional to 106,417.20, 146,856.72 and 58,672.32

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Solution

The fourth proportional to 106,417.20, 146,856.72 and 58,672.32 is: 80,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,417.20 : 146,856.72 = 58,672.32 : x
  2. Step 2: Convert to fraction form
    106,417.20/146,856.72 = 58,672.32/x
  3. Step 3: Cross multiply
    106,417.20x = 146,856.72 × 58,672.32
  4. Step 4: Simplify right side
    106,417.20x = 8,616,424,469.99
  5. Step 5: Solve for x
    x = 8,616,424,469.99/106,417.20
  6. Step 6: Final answer
    x = 80,968.34

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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.