Home / 200,302.27-276,416.70-109,657.50

Finding the Fourth Proportional to 200,302.27, 276,416.70 and 109,657.50

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Solution

The fourth proportional to 200,302.27, 276,416.70 and 109,657.50 is: 151,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,302.27 : 276,416.70 = 109,657.50 : x
  2. Step 2: Convert to fraction form
    200,302.27/276,416.70 = 109,657.50/x
  3. Step 3: Cross multiply
    200,302.27x = 276,416.70 × 109,657.50
  4. Step 4: Simplify right side
    200,302.27x = 30,311,164,280.25
  5. Step 5: Solve for x
    x = 30,311,164,280.25/200,302.27
  6. Step 6: Final answer
    x = 151,327.11

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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.