Home / 137,329.48-205,985.58-53,054.92

Finding the Fourth Proportional to 137,329.48, 205,985.58 and 53,054.92

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Solution

The fourth proportional to 137,329.48, 205,985.58 and 53,054.92 is: 79,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,329.48 : 205,985.58 = 53,054.92 : x
  2. Step 2: Convert to fraction form
    137,329.48/205,985.58 = 53,054.92/x
  3. Step 3: Cross multiply
    137,329.48x = 205,985.58 × 53,054.92
  4. Step 4: Simplify right side
    137,329.48x = 10,928,548,468.05
  5. Step 5: Solve for x
    x = 10,928,548,468.05/137,329.48
  6. Step 6: Final answer
    x = 79,579.04

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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.