Home / 312,184.13-430,815.15-168,944.13

Finding the Fourth Proportional to 312,184.13, 430,815.15 and 168,944.13

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Solution

The fourth proportional to 312,184.13, 430,815.15 and 168,944.13 is: 233,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,184.13 : 430,815.15 = 168,944.13 : x
  2. Step 2: Convert to fraction form
    312,184.13/430,815.15 = 168,944.13/x
  3. Step 3: Cross multiply
    312,184.13x = 430,815.15 × 168,944.13
  4. Step 4: Simplify right side
    312,184.13x = 72,783,690,707.57
  5. Step 5: Solve for x
    x = 72,783,690,707.57/312,184.13
  6. Step 6: Final answer
    x = 233,143.47

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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.