Home / 137,372.57-189,576.04-89,598.50

Finding the Fourth Proportional to 137,372.57, 189,576.04 and 89,598.50

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Solution

The fourth proportional to 137,372.57, 189,576.04 and 89,598.50 is: 123,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,372.57 : 189,576.04 = 89,598.50 : x
  2. Step 2: Convert to fraction form
    137,372.57/189,576.04 = 89,598.50/x
  3. Step 3: Cross multiply
    137,372.57x = 189,576.04 × 89,598.50
  4. Step 4: Simplify right side
    137,372.57x = 16,985,727,648.06
  5. Step 5: Solve for x
    x = 16,985,727,648.06/137,372.57
  6. Step 6: Final answer
    x = 123,647.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.