Home / 200,500.80-276,688.08-109,856.40

Finding the Fourth Proportional to 200,500.80, 276,688.08 and 109,856.40

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Solution

The fourth proportional to 200,500.80, 276,688.08 and 109,856.40 is: 151,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,500.80 : 276,688.08 = 109,856.40 : x
  2. Step 2: Convert to fraction form
    200,500.80/276,688.08 = 109,856.40/x
  3. Step 3: Cross multiply
    200,500.80x = 276,688.08 × 109,856.40
  4. Step 4: Simplify right side
    200,500.80x = 30,395,956,391.71
  5. Step 5: Solve for x
    x = 30,395,956,391.71/200,500.80
  6. Step 6: Final answer
    x = 151,600.18

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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.