Home / 218,156.90-327,038.50-151,628.36

Finding the Fourth Proportional to 218,156.90, 327,038.50 and 151,628.36

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Solution

The fourth proportional to 218,156.90, 327,038.50 and 151,628.36 is: 227,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,156.90 : 327,038.50 = 151,628.36 : x
  2. Step 2: Convert to fraction form
    218,156.90/327,038.50 = 151,628.36/x
  3. Step 3: Cross multiply
    218,156.90x = 327,038.50 × 151,628.36
  4. Step 4: Simplify right side
    218,156.90x = 49,588,311,411.86
  5. Step 5: Solve for x
    x = 49,588,311,411.86/218,156.90
  6. Step 6: Final answer
    x = 227,305.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.