Home / 140,096.64-193,333.08-76,434.40

Finding the Fourth Proportional to 140,096.64, 193,333.08 and 76,434.40

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Solution

The fourth proportional to 140,096.64, 193,333.08 and 76,434.40 is: 105,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,096.64 : 193,333.08 = 76,434.40 : x
  2. Step 2: Convert to fraction form
    140,096.64/193,333.08 = 76,434.40/x
  3. Step 3: Cross multiply
    140,096.64x = 193,333.08 × 76,434.40
  4. Step 4: Simplify right side
    140,096.64x = 14,777,297,969.95
  5. Step 5: Solve for x
    x = 14,777,297,969.95/140,096.64
  6. Step 6: Final answer
    x = 105,479.32

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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.