Home / 459,849.75-689,878.44-140,030.22

Finding the Fourth Proportional to 459,849.75, 689,878.44 and 140,030.22

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Solution

The fourth proportional to 459,849.75, 689,878.44 and 140,030.22 is: 210,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,849.75 : 689,878.44 = 140,030.22 : x
  2. Step 2: Convert to fraction form
    459,849.75/689,878.44 = 140,030.22/x
  3. Step 3: Cross multiply
    459,849.75x = 689,878.44 × 140,030.22
  4. Step 4: Simplify right side
    459,849.75x = 96,603,829,726.46
  5. Step 5: Solve for x
    x = 96,603,829,726.46/459,849.75
  6. Step 6: Final answer
    x = 210,076.94

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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.