Home / 186,822.80-257,821.15-106,261.91

Finding the Fourth Proportional to 186,822.80, 257,821.15 and 106,261.91

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Solution

The fourth proportional to 186,822.80, 257,821.15 and 106,261.91 is: 146,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.80 : 257,821.15 = 106,261.91 : x
  2. Step 2: Convert to fraction form
    186,822.80/257,821.15 = 106,261.91/x
  3. Step 3: Cross multiply
    186,822.80x = 257,821.15 × 106,261.91
  4. Step 4: Simplify right side
    186,822.80x = 27,396,567,837.40
  5. Step 5: Solve for x
    x = 27,396,567,837.40/186,822.80
  6. Step 6: Final answer
    x = 146,644.67

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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.