Home / 143,040.42-214,531.23-58,718.34

Finding the Fourth Proportional to 143,040.42, 214,531.23 and 58,718.34

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Solution

The fourth proportional to 143,040.42, 214,531.23 and 58,718.34 is: 88,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,040.42 : 214,531.23 = 58,718.34 : x
  2. Step 2: Convert to fraction form
    143,040.42/214,531.23 = 58,718.34/x
  3. Step 3: Cross multiply
    143,040.42x = 214,531.23 × 58,718.34
  4. Step 4: Simplify right side
    143,040.42x = 12,596,917,703.76
  5. Step 5: Solve for x
    x = 12,596,917,703.76/143,040.42
  6. Step 6: Final answer
    x = 88,065.44

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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.