Home / 228,235.14-314,979.93-127,633.86

Finding the Fourth Proportional to 228,235.14, 314,979.93 and 127,633.86

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Solution

The fourth proportional to 228,235.14, 314,979.93 and 127,633.86 is: 176,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,235.14 : 314,979.93 = 127,633.86 : x
  2. Step 2: Convert to fraction form
    228,235.14/314,979.93 = 127,633.86/x
  3. Step 3: Cross multiply
    228,235.14x = 314,979.93 × 127,633.86
  4. Step 4: Simplify right side
    228,235.14x = 40,202,104,288.43
  5. Step 5: Solve for x
    x = 40,202,104,288.43/228,235.14
  6. Step 6: Final answer
    x = 176,143.36

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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.