Home / 200,632.21-276,875.55-120,063.13

Finding the Fourth Proportional to 200,632.21, 276,875.55 and 120,063.13

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Solution

The fourth proportional to 200,632.21, 276,875.55 and 120,063.13 is: 165,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,632.21 : 276,875.55 = 120,063.13 : x
  2. Step 2: Convert to fraction form
    200,632.21/276,875.55 = 120,063.13/x
  3. Step 3: Cross multiply
    200,632.21x = 276,875.55 × 120,063.13
  4. Step 4: Simplify right side
    200,632.21x = 33,242,544,461.28
  5. Step 5: Solve for x
    x = 33,242,544,461.28/200,632.21
  6. Step 6: Final answer
    x = 165,688.97

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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.