Home / 459,872.02-689,911.85-140,052.52

Finding the Fourth Proportional to 459,872.02, 689,911.85 and 140,052.52

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Solution

The fourth proportional to 459,872.02, 689,911.85 and 140,052.52 is: 210,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,872.02 : 689,911.85 = 140,052.52 : x
  2. Step 2: Convert to fraction form
    459,872.02/689,911.85 = 140,052.52/x
  3. Step 3: Cross multiply
    459,872.02x = 689,911.85 × 140,052.52
  4. Step 4: Simplify right side
    459,872.02x = 96,623,893,170.36
  5. Step 5: Solve for x
    x = 96,623,893,170.36/459,872.02
  6. Step 6: Final answer
    x = 210,110.40

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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.