Home / 106,501.08-158,879.46-103,605.36

Finding the Fourth Proportional to 106,501.08, 158,879.46 and 103,605.36

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Solution

The fourth proportional to 106,501.08, 158,879.46 and 103,605.36 is: 154,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,501.08 : 158,879.46 = 103,605.36 : x
  2. Step 2: Convert to fraction form
    106,501.08/158,879.46 = 103,605.36/x
  3. Step 3: Cross multiply
    106,501.08x = 158,879.46 × 103,605.36
  4. Step 4: Simplify right side
    106,501.08x = 16,460,763,649.91
  5. Step 5: Solve for x
    x = 16,460,763,649.91/106,501.08
  6. Step 6: Final answer
    x = 154,559.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.