Home / 202,954.04-280,090.62-112,313.84

Finding the Fourth Proportional to 202,954.04, 280,090.62 and 112,313.84

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Solution

The fourth proportional to 202,954.04, 280,090.62 and 112,313.84 is: 155,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,954.04 : 280,090.62 = 112,313.84 : x
  2. Step 2: Convert to fraction form
    202,954.04/280,090.62 = 112,313.84/x
  3. Step 3: Cross multiply
    202,954.04x = 280,090.62 × 112,313.84
  4. Step 4: Simplify right side
    202,954.04x = 31,458,053,080.18
  5. Step 5: Solve for x
    x = 31,458,053,080.18/202,954.04
  6. Step 6: Final answer
    x = 155,000.87

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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.