Home / 312,184.50-430,815.90-168,944.52

Finding the Fourth Proportional to 312,184.50, 430,815.90 and 168,944.52

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Solution

The fourth proportional to 312,184.50, 430,815.90 and 168,944.52 is: 233,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,184.50 : 430,815.90 = 168,944.52 : x
  2. Step 2: Convert to fraction form
    312,184.50/430,815.90 = 168,944.52/x
  3. Step 3: Cross multiply
    312,184.50x = 430,815.90 × 168,944.52
  4. Step 4: Simplify right side
    312,184.50x = 72,783,985,433.87
  5. Step 5: Solve for x
    x = 72,783,985,433.87/312,184.50
  6. Step 6: Final answer
    x = 233,144.14

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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.