Home / 200,089.48-276,108.51-109,440.76

Finding the Fourth Proportional to 200,089.48, 276,108.51 and 109,440.76

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Solution

The fourth proportional to 200,089.48, 276,108.51 and 109,440.76 is: 151,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,089.48 : 276,108.51 = 109,440.76 : x
  2. Step 2: Convert to fraction form
    200,089.48/276,108.51 = 109,440.76/x
  3. Step 3: Cross multiply
    200,089.48x = 276,108.51 × 109,440.76
  4. Step 4: Simplify right side
    200,089.48x = 30,217,525,176.87
  5. Step 5: Solve for x
    x = 30,217,525,176.87/200,089.48
  6. Step 6: Final answer
    x = 151,020.06

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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.