Home / 200,431.90-276,585.33-109,783.18

Finding the Fourth Proportional to 200,431.90, 276,585.33 and 109,783.18

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Solution

The fourth proportional to 200,431.90, 276,585.33 and 109,783.18 is: 151,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,431.90 : 276,585.33 = 109,783.18 : x
  2. Step 2: Convert to fraction form
    200,431.90/276,585.33 = 109,783.18/x
  3. Step 3: Cross multiply
    200,431.90x = 276,585.33 × 109,783.18
  4. Step 4: Simplify right side
    200,431.90x = 30,364,417,068.75
  5. Step 5: Solve for x
    x = 30,364,417,068.75/200,431.90
  6. Step 6: Final answer
    x = 151,494.93

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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.