Home / 142,867.29-214,285.91-58,636.36

Finding the Fourth Proportional to 142,867.29, 214,285.91 and 58,636.36

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Solution

The fourth proportional to 142,867.29, 214,285.91 and 58,636.36 is: 87,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,867.29 : 214,285.91 = 58,636.36 : x
  2. Step 2: Convert to fraction form
    142,867.29/214,285.91 = 58,636.36/x
  3. Step 3: Cross multiply
    142,867.29x = 214,285.91 × 58,636.36
  4. Step 4: Simplify right side
    142,867.29x = 12,564,944,531.01
  5. Step 5: Solve for x
    x = 12,564,944,531.01/142,867.29
  6. Step 6: Final answer
    x = 87,948.36

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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.