Home / 143,187.12-214,698.38-59,005.40

Finding the Fourth Proportional to 143,187.12, 214,698.38 and 59,005.40

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Solution

The fourth proportional to 143,187.12, 214,698.38 and 59,005.40 is: 88,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,187.12 : 214,698.38 = 59,005.40 : x
  2. Step 2: Convert to fraction form
    143,187.12/214,698.38 = 59,005.40/x
  3. Step 3: Cross multiply
    143,187.12x = 214,698.38 × 59,005.40
  4. Step 4: Simplify right side
    143,187.12x = 12,668,362,422.73
  5. Step 5: Solve for x
    x = 12,668,362,422.73/143,187.12
  6. Step 6: Final answer
    x = 88,474.18

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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.