Home / 140,422.64-193,783.23-76,760.69

Finding the Fourth Proportional to 140,422.64, 193,783.23 and 76,760.69

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Solution

The fourth proportional to 140,422.64, 193,783.23 and 76,760.69 is: 105,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,422.64 : 193,783.23 = 76,760.69 : x
  2. Step 2: Convert to fraction form
    140,422.64/193,783.23 = 76,760.69/x
  3. Step 3: Cross multiply
    140,422.64x = 193,783.23 × 76,760.69
  4. Step 4: Simplify right side
    140,422.64x = 14,874,934,445.23
  5. Step 5: Solve for x
    x = 14,874,934,445.23/140,422.64
  6. Step 6: Final answer
    x = 105,929.74

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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.