Home / 142,737.33-214,038.93-82,782.83

Finding the Fourth Proportional to 142,737.33, 214,038.93 and 82,782.83

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Solution

The fourth proportional to 142,737.33, 214,038.93 and 82,782.83 is: 124,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,737.33 : 214,038.93 = 82,782.83 : x
  2. Step 2: Convert to fraction form
    142,737.33/214,038.93 = 82,782.83/x
  3. Step 3: Cross multiply
    142,737.33x = 214,038.93 × 82,782.83
  4. Step 4: Simplify right side
    142,737.33x = 17,718,748,890.67
  5. Step 5: Solve for x
    x = 17,718,748,890.67/142,737.33
  6. Step 6: Final answer
    x = 124,135.35

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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.