Home / 226,686.08-312,820.51-123,316.85

Finding the Fourth Proportional to 226,686.08, 312,820.51 and 123,316.85

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Solution

The fourth proportional to 226,686.08, 312,820.51 and 123,316.85 is: 170,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,686.08 : 312,820.51 = 123,316.85 : x
  2. Step 2: Convert to fraction form
    226,686.08/312,820.51 = 123,316.85/x
  3. Step 3: Cross multiply
    226,686.08x = 312,820.51 × 123,316.85
  4. Step 4: Simplify right side
    226,686.08x = 38,576,039,908.59
  5. Step 5: Solve for x
    x = 38,576,039,908.59/226,686.08
  6. Step 6: Final answer
    x = 170,173.84

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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.