Home / 117,342.09-176,013.41-82,437.57

Finding the Fourth Proportional to 117,342.09, 176,013.41 and 82,437.57

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Solution

The fourth proportional to 117,342.09, 176,013.41 and 82,437.57 is: 123,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,342.09 : 176,013.41 = 82,437.57 : x
  2. Step 2: Convert to fraction form
    117,342.09/176,013.41 = 82,437.57/x
  3. Step 3: Cross multiply
    117,342.09x = 176,013.41 × 82,437.57
  4. Step 4: Simplify right side
    117,342.09x = 14,510,117,395.63
  5. Step 5: Solve for x
    x = 14,510,117,395.63/117,342.09
  6. Step 6: Final answer
    x = 123,656.54

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1.5x scale

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.