Home / 137,177.74-205,774.64-52,938.35

Finding the Fourth Proportional to 137,177.74, 205,774.64 and 52,938.35

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Solution

The fourth proportional to 137,177.74, 205,774.64 and 52,938.35 is: 79,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,177.74 : 205,774.64 = 52,938.35 : x
  2. Step 2: Convert to fraction form
    137,177.74/205,774.64 = 52,938.35/x
  3. Step 3: Cross multiply
    137,177.74x = 205,774.64 × 52,938.35
  4. Step 4: Simplify right side
    137,177.74x = 10,893,369,913.44
  5. Step 5: Solve for x
    x = 10,893,369,913.44/137,177.74
  6. Step 6: Final answer
    x = 79,410.62

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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.