Home / 137,106.21-205,690.07-48,360.45

Finding the Fourth Proportional to 137,106.21, 205,690.07 and 48,360.45

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Solution

The fourth proportional to 137,106.21, 205,690.07 and 48,360.45 is: 72,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,106.21 : 205,690.07 = 48,360.45 : x
  2. Step 2: Convert to fraction form
    137,106.21/205,690.07 = 48,360.45/x
  3. Step 3: Cross multiply
    137,106.21x = 205,690.07 × 48,360.45
  4. Step 4: Simplify right side
    137,106.21x = 9,947,264,345.73
  5. Step 5: Solve for x
    x = 9,947,264,345.73/137,106.21
  6. Step 6: Final answer
    x = 72,551.52

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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.