Home / 191,529.46-264,190.90-137,729.26

Finding the Fourth Proportional to 191,529.46, 264,190.90 and 137,729.26

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Solution

The fourth proportional to 191,529.46, 264,190.90 and 137,729.26 is: 189,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529.46 : 264,190.90 = 137,729.26 : x
  2. Step 2: Convert to fraction form
    191,529.46/264,190.90 = 137,729.26/x
  3. Step 3: Cross multiply
    191,529.46x = 264,190.90 × 137,729.26
  4. Step 4: Simplify right side
    191,529.46x = 36,386,815,146.13
  5. Step 5: Solve for x
    x = 36,386,815,146.13/191,529.46
  6. Step 6: Final answer
    x = 189,980.26

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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.