Home / 312,236.28-430,893.93-191,444.16

Finding the Fourth Proportional to 312,236.28, 430,893.93 and 191,444.16

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Solution

The fourth proportional to 312,236.28, 430,893.93 and 191,444.16 is: 264,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,236.28 : 430,893.93 = 191,444.16 : x
  2. Step 2: Convert to fraction form
    312,236.28/430,893.93 = 191,444.16/x
  3. Step 3: Cross multiply
    312,236.28x = 430,893.93 × 191,444.16
  4. Step 4: Simplify right side
    312,236.28x = 82,492,126,477.95
  5. Step 5: Solve for x
    x = 82,492,126,477.95/312,236.28
  6. Step 6: Final answer
    x = 264,197.76

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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.