Home / 129,312.39-193,968.57-35,818.14

Finding the Fourth Proportional to 129,312.39, 193,968.57 and 35,818.14

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Solution

The fourth proportional to 129,312.39, 193,968.57 and 35,818.14 is: 53,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,312.39 : 193,968.57 = 35,818.14 : x
  2. Step 2: Convert to fraction form
    129,312.39/193,968.57 = 35,818.14/x
  3. Step 3: Cross multiply
    129,312.39x = 193,968.57 × 35,818.14
  4. Step 4: Simplify right side
    129,312.39x = 6,947,593,395.86
  5. Step 5: Solve for x
    x = 6,947,593,395.86/129,312.39
  6. Step 6: Final answer
    x = 53,727.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.