Home / 137,140.72-205,637.11-62,219.98

Finding the Fourth Proportional to 137,140.72, 205,637.11 and 62,219.98

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Solution

The fourth proportional to 137,140.72, 205,637.11 and 62,219.98 is: 93,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,140.72 : 205,637.11 = 62,219.98 : x
  2. Step 2: Convert to fraction form
    137,140.72/205,637.11 = 62,219.98/x
  3. Step 3: Cross multiply
    137,140.72x = 205,637.11 × 62,219.98
  4. Step 4: Simplify right side
    137,140.72x = 12,794,736,871.46
  5. Step 5: Solve for x
    x = 12,794,736,871.46/137,140.72
  6. Step 6: Final answer
    x = 93,296.41

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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.