Home / 188,765.12-260,490.63-107,108.24

Finding the Fourth Proportional to 188,765.12, 260,490.63 and 107,108.24

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Solution

The fourth proportional to 188,765.12, 260,490.63 and 107,108.24 is: 147,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,765.12 : 260,490.63 = 107,108.24 : x
  2. Step 2: Convert to fraction form
    188,765.12/260,490.63 = 107,108.24/x
  3. Step 3: Cross multiply
    188,765.12x = 260,490.63 × 107,108.24
  4. Step 4: Simplify right side
    188,765.12x = 27,900,692,915.79
  5. Step 5: Solve for x
    x = 27,900,692,915.79/188,765.12
  6. Step 6: Final answer
    x = 147,806.40

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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.