Home / 140,080.68-193,284.90-83,497.32

Finding the Fourth Proportional to 140,080.68, 193,284.90 and 83,497.32

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Solution

The fourth proportional to 140,080.68, 193,284.90 and 83,497.32 is: 115,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,080.68 : 193,284.90 = 83,497.32 : x
  2. Step 2: Convert to fraction form
    140,080.68/193,284.90 = 83,497.32/x
  3. Step 3: Cross multiply
    140,080.68x = 193,284.90 × 83,497.32
  4. Step 4: Simplify right side
    140,080.68x = 16,138,771,146.47
  5. Step 5: Solve for x
    x = 16,138,771,146.47/140,080.68
  6. Step 6: Final answer
    x = 115,210.54

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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.