Home / 106,416.12-146,855.27-58,671.18

Finding the Fourth Proportional to 106,416.12, 146,855.27 and 58,671.18

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Solution

The fourth proportional to 106,416.12, 146,855.27 and 58,671.18 is: 80,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,416.12 : 146,855.27 = 58,671.18 : x
  2. Step 2: Convert to fraction form
    106,416.12/146,855.27 = 58,671.18/x
  3. Step 3: Cross multiply
    106,416.12x = 146,855.27 × 58,671.18
  4. Step 4: Simplify right side
    106,416.12x = 8,616,171,686.76
  5. Step 5: Solve for x
    x = 8,616,171,686.76/106,416.12
  6. Step 6: Final answer
    x = 80,966.79

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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.