Home / 137,003.40-205,503.28-37,172.93

Finding the Fourth Proportional to 137,003.40, 205,503.28 and 37,172.93

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Solution

The fourth proportional to 137,003.40, 205,503.28 and 37,172.93 is: 55,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,003.40 : 205,503.28 = 37,172.93 : x
  2. Step 2: Convert to fraction form
    137,003.40/205,503.28 = 37,172.93/x
  3. Step 3: Cross multiply
    137,003.40x = 205,503.28 × 37,172.93
  4. Step 4: Simplify right side
    137,003.40x = 7,639,157,921.76
  5. Step 5: Solve for x
    x = 7,639,157,921.76/137,003.40
  6. Step 6: Final answer
    x = 55,758.89

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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.