Home / 140,056.64-193,259.04-80,440.64

Finding the Fourth Proportional to 140,056.64, 193,259.04 and 80,440.64

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Solution

The fourth proportional to 140,056.64, 193,259.04 and 80,440.64 is: 110,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,056.64 : 193,259.04 = 80,440.64 : x
  2. Step 2: Convert to fraction form
    140,056.64/193,259.04 = 80,440.64/x
  3. Step 3: Cross multiply
    140,056.64x = 193,259.04 × 80,440.64
  4. Step 4: Simplify right side
    140,056.64x = 15,545,880,863.39
  5. Step 5: Solve for x
    x = 15,545,880,863.39/140,056.64
  6. Step 6: Final answer
    x = 110,997.10

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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.