Home / 106,355.23-146,768.32-57,957.58

Finding the Fourth Proportional to 106,355.23, 146,768.32 and 57,957.58

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Solution

The fourth proportional to 106,355.23, 146,768.32 and 57,957.58 is: 79,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,355.23 : 146,768.32 = 57,957.58 : x
  2. Step 2: Convert to fraction form
    106,355.23/146,768.32 = 57,957.58/x
  3. Step 3: Cross multiply
    106,355.23x = 146,768.32 × 57,957.58
  4. Step 4: Simplify right side
    106,355.23x = 8,506,336,647.87
  5. Step 5: Solve for x
    x = 8,506,336,647.87/106,355.23
  6. Step 6: Final answer
    x = 79,980.43

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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.