Home / 136,022.23-187,681.67-82,296.55

Finding the Fourth Proportional to 136,022.23, 187,681.67 and 82,296.55

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Solution

The fourth proportional to 136,022.23, 187,681.67 and 82,296.55 is: 113,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,022.23 : 187,681.67 = 82,296.55 : x
  2. Step 2: Convert to fraction form
    136,022.23/187,681.67 = 82,296.55/x
  3. Step 3: Cross multiply
    136,022.23x = 187,681.67 × 82,296.55
  4. Step 4: Simplify right side
    136,022.23x = 15,445,553,000.83
  5. Step 5: Solve for x
    x = 15,445,553,000.83/136,022.23
  6. Step 6: Final answer
    x = 113,551.69

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1.5x scale

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.