Home / 453,811.18-680,710.52-154,500.49

Finding the Fourth Proportional to 453,811.18, 680,710.52 and 154,500.49

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Solution

The fourth proportional to 453,811.18, 680,710.52 and 154,500.49 is: 231,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,811.18 : 680,710.52 = 154,500.49 : x
  2. Step 2: Convert to fraction form
    453,811.18/680,710.52 = 154,500.49/x
  3. Step 3: Cross multiply
    453,811.18x = 680,710.52 × 154,500.49
  4. Step 4: Simplify right side
    453,811.18x = 105,170,108,888.16
  5. Step 5: Solve for x
    x = 105,170,108,888.16/453,811.18
  6. Step 6: Final answer
    x = 231,748.61

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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.