Home / 106,115.05-146,435.71-58,368.39

Finding the Fourth Proportional to 106,115.05, 146,435.71 and 58,368.39

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Solution

The fourth proportional to 106,115.05, 146,435.71 and 58,368.39 is: 80,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.05 : 146,435.71 = 58,368.39 : x
  2. Step 2: Convert to fraction form
    106,115.05/146,435.71 = 58,368.39/x
  3. Step 3: Cross multiply
    106,115.05x = 146,435.71 × 58,368.39
  4. Step 4: Simplify right side
    106,115.05x = 8,547,216,339.36
  5. Step 5: Solve for x
    x = 8,547,216,339.36/106,115.05
  6. Step 6: Final answer
    x = 80,546.70

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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.