Home / 459,925.40-689,911.94-140,052.56

Finding the Fourth Proportional to 459,925.40, 689,911.94 and 140,052.56

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Solution

The fourth proportional to 459,925.40, 689,911.94 and 140,052.56 is: 210,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,925.40 : 689,911.94 = 140,052.56 : x
  2. Step 2: Convert to fraction form
    459,925.40/689,911.94 = 140,052.56/x
  3. Step 3: Cross multiply
    459,925.40x = 689,911.94 × 140,052.56
  4. Step 4: Simplify right side
    459,925.40x = 96,623,929,221.74
  5. Step 5: Solve for x
    x = 96,623,929,221.74/459,925.40
  6. Step 6: Final answer
    x = 210,086.09

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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.